On Thu, 21 Aug 2003 06:40:04 +0200, Michael Peuser paused, took a deep breath, then came out with: > A bottleneck can be Tkinter. Use something different then (Qt, wx).. Wow! I've found wx to be way slower than Tkinter. On a P133 running Win98, a McMillan-compiled prog using wx took twice as long to start up as a similar prog implemented in Tkinter.