Very Very cool, I just recently found a program that will let you listen to Xm Radio Online (XMRO) without having to use their horrible web interface.
Tha name of the program is XaMp and you must have a XM radio subscription.
You can even use the built in Tracker and paste a img src command to post in your signature's to let people know what you are listening to.
Here is what it says
It will either tell you what I am listening to or it will tell you it is off depending on what I am doing that time of day.