I posted some thoughts on the Odeo Blog about (one of) the directions I think podcasting will evolve.
Update: See Kottke post/thread, especially this part:
Update: See Kottke post/thread, especially this part:
Drew says: "Casual microcontent is just the thing we need. Podcasting is still at the big portals and clunky personal home pages stage right now. There are some fantastic shows, but it's all about time-shifting and niche content, not a media revolution like blogging."