So, streaming audio… to more than a few people… I managed to put together something that has been pretty much rock solid for over a year using nothing but what we had laying around. SUCCESS!
Windows Media Encoder 9 Series
Windows Media Encoder 9 Series SDK
SRVSTART (Runs a command as a service)
A very old version of Centurion Guard (http://www.centuriontech.com/)
Windows XP Pro