Add your suggestions to either this blogpost or any attached G+ threads to enter. We'll pick one (hopefully) by Monday, so get your suggestions to us by Sunday.
Our plan is to involve the OSR Community on many levels of the podcast, much as we do here at The Tavern.
Just an idea of the kind of podcast you're in for, here's the disclaimer we are toying around with at the moment:
"Warning: You are about to enter The Tavern. All bets are off. There WILL be gratuitous language and stuff that's not safe for work or people of low constitution or willpower. The dice will lay where they fall. So, enter at your own peril or find another podcast to listen to, one that doesn't make you roll save versus..." (cue intro)