Generally I test with RTSP streams from YouTube's mobile site:
http://m.youtube.com/
Perhaps we should try to get some google folks to join this list..
Shawn Van Every
vane...@walking-productions.com
Mobile and Streaming Consulting
http://www.walking-productions.com/notslop
Author: Pro Android Media: http://amzn.to/eYb48C
They used to work just fine with VLC, QuickTime and on Android. Sadly not now.