My personal favorites to listen to are Gary Dolphin (play by play) and Ed Podolak (color commentary) covering Iowa Hawkeyes football games on the radio.

Here is a youtube video of the 2005 Capital One bowl with audio from the radio broadcast with Dolphin and Podolak, listening to those guys call a game is fun.

http://www.youtube.com/watch?v=axb23I1aQMA&feature=related

About the only other football I listen to on the radio is IA St and those guys are boring to listen to even when the Cyclones are good/winning.