Samsung BlackJack SGH-i607
XM radio
I too have an XM subscription, seems silly to add another subscription to the phone, and for less channels.
At this point I would say we can't do it.
http://mobile.musicdock.com/mobile/default.asp »
I like this the best because you can have favorites
http://www.xstreamxm.com/mobile/ »
At least one of these should work