Chris Engler and Jeff Greiner talk 4e Monsters in this episode. It's worth noting again that a lot of info came out at DDXP and that this episode was recorded before that. So you can find more current information at the forum and the upcoming interviews from DDXP by Geoffrey D. Winn.
Promo: Sons of Kryos
And check out the Tome's Amazon Store to finish up your 3e collection or pre-order your 4e books...or both! The show gets a cut of the profit and that helps me pay the bills.