I started listening to some at work...
Adam Carolla
http://www.adamcarolla.com/ACPBlog/
Bill Simmons aka SportsGuy
http://sports.espn.go.com/espnradio/...ive?id=2864045
WeFunk - more streaming, not sure you can officially download tracks
http://www.wefunkradio.com/
Anyone have anything good they listen to?