diff --git a/doc/xschem_man/developer_info.html b/doc/xschem_man/developer_info.html
index bf953e8f..bad620aa 100644
--- a/doc/xschem_man/developer_info.html
+++ b/doc/xschem_man/developer_info.html
@@ -538,6 +538,8 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns"
 
 
 
+
+
 
 
 
@@ -823,8 +825,9 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns"
    Highlight selected element/pins/labels/nets
    if 'drill' is given propagate net highlights through conducting elements
    (elements that have the 'propag' attribute on pins ) </pre>
-   <li><kbd>       hilight_instname inst</kbd></li><pre>
+   <li><kbd>       hilight_instname inst [fast]</kbd></li><pre>
    Highlight instance 'inst' 
+       if 'fast' is specified do not redraw 
    'inst' can be an instance name or number </pre>
    <li><kbd>       hilight_netname net</kbd></li><pre>
    Highlight net name 'net' </pre>
@@ -1451,6 +1454,7 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns"
 
 
 
+
 
 
  </ul>
diff --git a/src/scheduler.c b/src/scheduler.c
index 3982afb6..651d08b1 100644
--- a/src/scheduler.c
+++ b/src/scheduler.c
@@ -1796,8 +1796,9 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
       redraw_hilights(0);
       Tcl_ResetResult(interp);
     }
-    /* hilight_instname inst
+    /* hilight_instname inst [fast]
      *   Highlight instance 'inst' 
+     * if 'fast' is specified do not redraw 
      *   'inst' can be an instance name or number */
     else if(!strcmp(argv[1], "hilight_instname"))
     {
@@ -1806,6 +1807,8 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
         int inst;
         char *type;
         int incr_hi;
+        int fast = 0;
+        if(argc > 3 && !strcmp(argv[3], "fast")) fast = 1;
         xctx->enable_drill=0;
         incr_hi = tclgetboolvar("incr_hilight");
         prepare_netlist_structs(0);
@@ -1828,8 +1831,10 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
             if(incr_hi) incr_hilight_color();
           }
           dbg(1, "hilight_nets=%d\n", xctx->hilight_nets);
-          if(xctx->hilight_nets) propagate_hilights(1, 0, XINSERT_NOREPLACE);
-          redraw_hilights(0);
+          if(!fast) {
+            if(xctx->hilight_nets) propagate_hilights(1, 0, XINSERT_NOREPLACE);
+            redraw_hilights(0);
+          }
         }
       }
       Tcl_ResetResult(interp);
diff --git a/xschem_library/examples/mos_power_ampli.sch b/xschem_library/examples/mos_power_ampli.sch
index 1ce5a9a5..53ef1e80 100644
--- a/xschem_library/examples/mos_power_ampli.sch
+++ b/xschem_library/examples/mos_power_ampli.sch
@@ -482,3 +482,36 @@ C {ngspice_get_expr.sym} 130 -730 0 1 {name=r21
 node="[format %.4g [expr [ngspice::get_current \{q7[ic]\}] / [ngspice::get_current \{q7[ib]\}] ] ]"
 descr = beta
 }
+C {launcher.sym} 460 -190 0 0 {name=h5
+descr=hi_current
+tclcommand="
+set incr_hilight 0
+xschem unhilight_all
+foreach \{n s t\} [xschem instance_list] \{
+  if \{$t == \{label\} || $t == \{ipin\} || $t == \{opin\} || $t == \{iopin\}\} \{continue\}
+  set curr 0
+  if \{$t == \{resistor\} || $t == \{ammeter\} \} \{
+    set curr [expr \{ abs([from_eng [xschem translate $n \{@spice_get_current\}]])\}]
+  \}
+  if \{$t == \{pnp\}  || $t == \{npn\}\} \{
+    set curr [expr \{abs([ngspice::get_current $n\\\\\\[ic\\\\\\]])\}]
+  \}
+  
+  if \{$t == \{nmos\}\} \{
+    set curr [expr \{abs([ngspice::get_current $n.rd\\\\\\[i\\\\\\]])\}]
+  \}
+  if \{$curr > 0.02\} \{
+    xschem set hilight_color 11
+    xschem hilight_instname $n fast
+  \} elseif \{$curr > 0.01\} \{
+    xschem set hilight_color 0
+    xschem hilight_instname $n fast
+  \} else \{
+    xschem set hilight_color 4
+    xschem hilight_instname $n fast
+  \}
+\}
+xschem redraw
+
+"
+}
diff --git a/xschem_library/examples/poweramp.sch b/xschem_library/examples/poweramp.sch
index cec1ab07..0edee977 100644
--- a/xschem_library/examples/poweramp.sch
+++ b/xschem_library/examples/poweramp.sch
@@ -38,8 +38,8 @@ B 2 1200 -500 1880 -310 {flags=graph
 y1 = -0.00095
 y2 = 12
 divy = 6
-x1=0.0226597
-x2=0.0229721
+x1=0.0246251
+x2=0.0249375
 divx=10
 node="i(v.x1.vu)
 i(v.x0.vu)
@@ -52,8 +52,8 @@ B 2 1200 -830 1880 -520 {flags=graph
 y1 = -50
 y2 = 61
 divy = 12
-x1=0.0226597
-x2=0.0229721
+x1=0.0246251
+x2=0.0249375
 divx=10
 node="outp
 outm
@@ -69,8 +69,8 @@ B 2 1200 -1020 1880 -830 {flags=graph
 y1 = 0
 y2 = 1100
 divy = 6
-x1=0.0226597
-x2=0.0229721
+x1=0.0246251
+x2=0.0249375
 divx=10
 
 
@@ -83,8 +83,8 @@ B 2 1200 -310 1880 -120 {flags=graph
 y1 = 0
 y2 = 960
 divy = 6
-x1=0.0226597
-x2=0.0229721
+x1=0.0246251
+x2=0.0249375
 divx=10