I listen to bombcast, RebelFM, 4guy1up, and geekbox.
Giant Bomb's Bombcast is my current favorite.
I also listen to the Joystiq podcast and Podtoid (Destructoid podcast) as well as all of the IGN podcasts.
Idle Thumbs was pretty good but it's now dead. Played Podcast from AT's own warcrow is also good but there hasn't been a new episode in almost a year.
Idle Thumbs, started doing podcasts again. Steve Gaynor (2K Games) was on the 2/12/10 episode.
Played Podcast from AT's own warcrow is also good but there hasn't been a new episode in almost a year.