No Revolution

Convergence-ing >>> XM and Napster Beta Release
If you're an active XM Radio subscriber, you can add Napster's 1.5 million song library to your service. The concept is you'd be listening to XM, and when you hear a tune you like, you download it (limited to PC playback) or buy it for 99¢. A 14-day free trial requires you to download a 10MB proprietary player. But it's pretty easy to see this as a first baby step toward a dynamic "on demand" radio model designed to rival the iTunes/Podcast platform.

Details at http://www.xmradio.com/napster