Surprised this hasn't been posted already, but here it is:

Penny Arcade/PVP 1 (of 4)

I find it pretty interesting. You have Jerry Holkins, the guy who likes playing all editions of D&D, Mike Krahulik, who's only familiar with 4e, and Scott Kurtz, the casual gamer who's not all that invested, but is game for any game.

They don't cut Mearls any slack, and yet they are open-minded enough to recognize faults of the games they like. And the whole podcast will be the process of converting their 4e Acquisitions, Inc. characters for 5e, which they'll play at PAX this year.