i would not use Jetcast. I tried it, but the quality is pretty bad, and its not really made for streaming in Network.
For streaming with Winamp, you need of course Winamp itself,
the a DSP-Plugin which you get on Shoutcast.com and a Server. I prefer Icecast, because it runs in Background.
http://www.shoutcast.com/downloads/shou ... indows.exe
Then you need to install all 3, activate the Plugin in Winamp Preferences and configure the IceCast-Server (you configure it in a text file).
Last step: you need to save the streaming URL provided by Icecast in a SoundBridge preset. Then start the Server and choose this preset in SoundBridge. Voila...
In addition my remote control fits perfectly in such a system, because winamp cannot change the volume, and you need a program which does: