diff --git a/compile/ComponentCompiler.scala b/compile/ComponentCompiler.scala
index 5af5e0db4..9def56761 100644
--- a/compile/ComponentCompiler.scala
+++ b/compile/ComponentCompiler.scala
@@ -44,7 +44,12 @@ class ComponentCompiler(compiler: RawCompiler, manager: ComponentManager)
 			withTemporaryDirectory { outputDirectory =>
 				val xsbtiJars = manager.files(xsbtiID)(IfMissing.Fail)
 				manager.log.info("'" + id + "' not yet compiled for Scala " + compiler.scalaInstance.actualVersion + ". Compiling...")
-				try { compiler(Set() ++ sourceFiles, Set() ++ xsbtiJars, outputDirectory, Nil, true) }
+				val start = System.currentTimeMillis
+				try
+				{
+					compiler(Set() ++ sourceFiles, Set() ++ xsbtiJars, outputDirectory, Nil, true)
+					manager.log.info("  Compilation completed in " + (System.currentTimeMillis - start) / 1000.0 + " s")
+				}
 				catch { case e: xsbti.CompileFailed => throw new CompileFailed(e.arguments, "Error compiling sbt component '" + id + "'") }
 				copy(resources x (FileMapper.rebase(dir, outputDirectory)))
 				zip((outputDirectory ***) x (PathMapper.relativeTo(outputDirectory)), targetJar)
diff --git a/launch/Cache.scala b/launch/Cache.scala
index ed50dfbe8..07d681970 100644
--- a/launch/Cache.scala
+++ b/launch/Cache.scala
@@ -2,18 +2,19 @@ package xsbt.boot
 
 import java.util.HashMap
 
-final class Cache[K,V <: AnyRef](create: K => V) extends NotNull
+final class Cache[K,V](create: K => V) extends NotNull
 {
 	private[this] val delegate = new HashMap[K,V]
 	def apply(k: K): V =
 	{
 		val existing = delegate.get(k)
-		if(existing eq null) newEntry(k) else existing
+		if(existing == null) newEntry(k) else existing
 	}
 	private[this] def newEntry(k: K): V =
 	{
 		val v = create(k)
+		Pre.assert(v != null, "Value for key " + k + " was null")
 		delegate.put(k, v)
 		v
 	}
-}
\ No newline at end of file
+}
diff --git a/launch/Launch.scala b/launch/Launch.scala
index 5830b53a2..62ca5ea89 100644
--- a/launch/Launch.scala
+++ b/launch/Launch.scala
@@ -6,8 +6,8 @@ import java.net.URL
 
 object Launch
 {
-	val start = System.currentTimeMillis
-	def time(label: String) = System.out.println(label + " : " + (System.currentTimeMillis - start) / 1000.0 + " s")
+	//val start = System.currentTimeMillis
+	def time(label: String) = ()//System.out.println(label + " : " + (System.currentTimeMillis - start) / 1000.0 + " s")
 	def apply(arguments: List[String]): Unit = apply( (new File("")).getAbsoluteFile , arguments )
 
 	def apply(currentDirectory: File, arguments: List[String]): Unit =
diff --git a/launch/ListMap.scala b/launch/ListMap.scala
index a59869175..726ef5b41 100644
--- a/launch/ListMap.scala
+++ b/launch/ListMap.scala
@@ -23,6 +23,7 @@ sealed class ListMap[K,V] private(backing: List[(K,V)]) extends Iterable[(K,V)]
 			override def apply(k: K) = super.get(k).getOrElse(defaultF(k))
 			override def copy(newBacking: List[(K,V)]) = super.copy(newBacking).default(defaultF)
 		}
+	override def toString = backing.mkString("ListMap(",",",")")
 }
 object ListMap
 {
diff --git a/launch/Update.scala b/launch/Update.scala
index b87e77a3b..7b913c4f4 100644
--- a/launch/Update.scala
+++ b/launch/Update.scala
@@ -82,10 +82,12 @@ final class Update(config: UpdateConfiguration)
 			case UpdateScala =>
 				addDependency(moduleID, ScalaOrg, CompilerModuleName, scalaVersion, "default")
 				addDependency(moduleID, ScalaOrg, LibraryModuleName, scalaVersion, "default")
+				System.out.println("Getting Scala " + scalaVersion + " ...")
 			case u: UpdateApp =>
 				val app = u.id
 				val resolvedName = if(app.crossVersioned) app.name + "_" + scalaVersion else app.name
 				addDependency(moduleID, app.groupID, resolvedName, app.getVersion, "default(compile)")
+				System.out.println("Getting " + app.groupID + " " + resolvedName + " " + app.getVersion + " ...")
 		}
 		update(moduleID, target)
 	}
diff --git a/launch/src/main/resources/sbt/sbt.boot.properties b/launch/src/main/resources/sbt/sbt.boot.properties
index 93b9bf1bb..a03f8c0c6 100644
--- a/launch/src/main/resources/sbt/sbt.boot.properties
+++ b/launch/src/main/resources/sbt/sbt.boot.properties
@@ -15,7 +15,7 @@
 #  Sbt Repository, http://simple-build-tool.googlecode.com/svn/artifacts/, [revision]/[type]s/[artifact].[ext]
   maven-central
   scala-tools-releases
-#  scala-tools-snapshots
+  scala-tools-snapshots
 
 [boot]
  directory: project/boot
@@ -29,9 +29,9 @@
 
 [app-properties]
  project.name: quick=set(test), new=prompt(Name), fill=prompt(Name)
+ project.organization: new=prompt(Organization)
  project.version: quick=set(1.0), new=prompt(Version)[1.0], fill=prompt(Version)[1.0]
- build.init.scala.version: quick=set(2.7.5), new=prompt(Scala version)[2.7.5]
- scala.version: quick=set(2.7.5), new=set(2.7.5), fill=set(2.7.5)
+ scala.version: quick=set(2.7.5), new=prompt(Scala version)[2.7.5], fill=prompt(Scala version)[2.7.5]
  sbt.version: quick=set(0.5.6-SNAPSHOT), new=prompt(sbt version)[0.5.6-SNAPSHOT], fill=prompt(sbt version)[0.5.6-SNAPSHOT]
  project.scratch: quick=set(true)
  project.initialize: quick=set(true), new=set(true)
\ No newline at end of file
diff --git a/launch/src/test/scala/CacheTest.scala b/launch/src/test/scala/CacheTest.scala
new file mode 100644
index 000000000..6a3a6bbe6
--- /dev/null
+++ b/launch/src/test/scala/CacheTest.scala
@@ -0,0 +1,15 @@
+package xsbt.boot
+
+import org.scalacheck._
+import Prop._
+
+object CacheTest extends Properties("Cache")
+{
+	implicit val functions: Arbitrary[Int => Int] = Arbitrary { Gen.elements(identity[Int], i => -i, i=>i/2, i => i+1) }
+
+	property("Cache") = Prop.forAll { (key: Int, keys: List[Int], map: Int => Int) =>
+		val cache = new Cache(map)
+		def toProperty(key: Int) = ("Key "  + key) |: ("Value: " + map(key)) |: (cache.apply(key) == map(key))
+		Prop.all( keys.map(toProperty) : _*)
+	}
+}
\ No newline at end of file
diff --git a/launch/src/test/scala/EnumerationTest.scala b/launch/src/test/scala/EnumerationTest.scala
new file mode 100644
index 000000000..8fcc540cd
--- /dev/null
+++ b/launch/src/test/scala/EnumerationTest.scala
@@ -0,0 +1,55 @@
+package xsbt.boot
+
+import org.scalacheck._
+import Prop.{Exception => _,_}
+
+object EnumerationTest extends Properties("Enumeration")
+{
+	property("MultiEnum.toValue") = checkToValue(MultiEnum, multiElements : _*)
+	property("MultiEnum.elements") = checkElements(MultiEnum, multiElements : _*)
+	property("EmptyEnum.toValue") = checkToValue(EmptyEnum)
+	property("EmptyEnum.elements") = EmptyEnum.elements.isEmpty
+	property("SingleEnum.toValue") = checkToValue( SingleEnum, singleElements )
+	property("SingleEnum.elements") = checkElements( SingleEnum,singleElements )
+
+	def singleElements = ("A", SingleEnum.a)
+	def multiElements =
+	{
+		import MultiEnum.{a,b,c}
+		 List(("A" -> a), ("B" -> b), ("C" -> c))
+	}
+
+	def checkElements(enum: Enumeration, mapped: (String, Enumeration#Value)*) =
+	{
+		val elements = enum.elements
+		("elements: " + elements) |:
+			( mapped.forall{ case (s,v) => elements.contains(v) } && (elements.length == mapped.length) )
+	}
+	def checkToValue(enum: Enumeration, mapped: (String, Enumeration#Value)*) =
+	{
+		def invalid(s: String) =
+			("valueOf(" + s + ")") |:
+				Prop.throws(enum.toValue(s), classOf[Exception])
+		def valid(s: String, expected: Enumeration#Value) =
+			("valueOf(" + s + ")") |:
+			("Expected " + expected) |:
+				( enum.toValue(s) == expected )
+		val map = Map( mapped : _*)
+		Prop.forAll( (s: String) =>
+			map.get(s) match {
+				case Some(v) => valid(s, v)
+				case None => invalid(s)
+			} )
+	}
+	object MultiEnum extends Enumeration
+	{
+		val a = value("A")
+		val b = value("B")
+		val c = value("C")
+	}
+	object SingleEnum extends Enumeration
+	{
+		val a = value("A")
+	}
+	object EmptyEnum extends Enumeration
+}
\ No newline at end of file
diff --git a/launch/src/test/scala/ListMapTest.scala b/launch/src/test/scala/ListMapTest.scala
new file mode 100644
index 000000000..ff867101a
--- /dev/null
+++ b/launch/src/test/scala/ListMapTest.scala
@@ -0,0 +1,39 @@
+package xsbt.boot
+
+import org.scalacheck._
+
+object ListMapProperties extends Properties("ListMap")
+{
+	implicit val genListMap = Arbitrary ( for(list <- Arbitrary.arbitrary[List[(Int,Int)]]) yield ListMap(list : _*) )
+
+	property("ListMap from List contains all members of that List") = Prop.forAll { (list: List[(Int,Int)]) =>
+		val map = ListMap(list : _*)
+		list forall { entry => map contains entry._1 }
+	}
+	property("contains added entry") = Prop.forAll { (map: ListMap[Int,Int], key: Int, value: Int) =>
+		{ (map + (key, value) ) contains(key) } &&
+		{ (map + (key, value) )(key) == value } &&
+		{ (map + (key, value) ).get(key)  == Some(value) }
+	}
+	property("remove") = Prop.forAll { (map: ListMap[Int,Int], key: Int) =>
+		{ Prop.throws((map - key)(key), classOf[Exception]) } &&
+		{ !(map - key).contains(key) } &&
+		{ (map - key).get(key).isEmpty }
+	}
+	property("empty") = Prop.forAll { (key: Int) =>
+		{ Prop.throws(ListMap.empty(key), classOf[Exception]) }
+		{ !ListMap.empty.contains(key) } &&
+		{ ListMap.empty.get(key).isEmpty }
+	}
+}
+
+object ListMapEmpty extends Properties("ListMap.empty")
+{
+	import ListMap.empty
+	property("isEmpty") = empty.isEmpty
+	property("toList.isEmpty") = empty.toList.isEmpty
+	property("toSeq.isEmpty") = empty.toSeq.isEmpty
+	property("toStream.isEmpty") = empty.toStream.isEmpty
+	property("keys.isEmpty") = empty.keys.isEmpty
+	property("elements.isEmpty") = !empty.elements.hasNext
+}
\ No newline at end of file
diff --git a/launch/src/test/scala/PreTest.scala b/launch/src/test/scala/PreTest.scala
new file mode 100644
index 000000000..6cdbc9e9a
--- /dev/null
+++ b/launch/src/test/scala/PreTest.scala
@@ -0,0 +1,22 @@
+package xsbt.boot
+
+import org.scalacheck._
+
+object PreTest extends Properties("Pre")
+{
+	import Pre._
+	property("isEmpty") = Prop.forAll( (s: String) => (s.isEmpty == isEmpty(s)) )
+	property("isNonEmpty") = Prop.forAll( (s: String) => (isEmpty(s) != isNonEmpty(s)) )
+	property("assert true") = { assert(true); true }
+	property("assert false") = Prop.throws(assert(false), classOf[AssertionError])
+	property("assert true with message") = Prop.forAll { (s: String) => assert(true, s); true }
+	property("assert false with message") = Prop.forAll( (s: String) => Prop.throws(assert(false, s), classOf[AssertionError] ) )
+	property("require false") = Prop.forAll( (s: String) => Prop.throws(require(false, s), classOf[IllegalArgumentException]) )
+	property("require true") = Prop.forAll { (s: String) => require(true, s); true }
+	property("error") = Prop.forAll( (s: String) => Prop.throws(error(s), classOf[BootException]) )
+	property("toBoolean") = Prop.forAll( (s: String) => trap(toBoolean(s)) == trap(java.lang.Boolean.parseBoolean(s)) )
+	property("toArray") = Prop.forAll( (list: List[Int]) => list.toArray deepEquals toArray(list) )
+	property("toArray") = Prop.forAll( (list: List[String]) => list.toArray deepEquals toArray(list) )
+
+	def trap[T](t: => T): Option[T] = try { Some(t) } catch { case e: Exception => None }
+}
\ No newline at end of file
diff --git a/project/build.properties b/project/build.properties
index d69084ecb..cd82460af 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1,7 +1,7 @@
 #Project properties
-#Wed Oct 07 13:14:09 EDT 2009
+#Sun Oct 18 13:26:05 EDT 2009
 project.organization=org.scala-tools.sbt
 project.name=xsbt
-sbt.version=0.5.5
+sbt.version=0.5.6-p1
 project.version=0.7.0_13
 scala.version=2.7.5
diff --git a/project/build/LauncherProguard.scala b/project/build/LauncherProguard.scala
index 58bb1a325..1d441cd18 100644
--- a/project/build/LauncherProguard.scala
+++ b/project/build/LauncherProguard.scala
@@ -3,6 +3,7 @@ import java.io.File
 
 trait ProguardLaunch extends ProguardProject
 {
+	override def basicOptions = super.basicOptions ++ Seq(keepJLine)
 	def outputJar = rootProject.outputPath / ("xsbt-launch-" + version + ".jar")
 	override def keepClasses =
 		"org.apache.ivy.plugins.resolver.URLResolver" ::
diff --git a/project/build/XSbt.scala b/project/build/XSbt.scala
index 236485965..75038e013 100644
--- a/project/build/XSbt.scala
+++ b/project/build/XSbt.scala
@@ -77,7 +77,7 @@ class XSbt(info: ProjectInfo) extends ParentProject(info)
 	}
 	trait TestDependencies extends Project
 	{
-		val sc = "org.scala-tools.testing" % "scalacheck" % "1.5" % "test"
+		val sc = "org.scala-tools.testing" %% "scalacheck" % "1.6" % "test"
 		val sp = "org.scala-tools.testing" % "specs" % "1.6.0" % "test"
 	}
 	class StandardTaskProject(info: ProjectInfo) extends Base(info)