It's not technical, the only podcast I listen to is: WTF with Marc Maron - http://www.wtfpod.com/ - he's a comedian who usually interviews comedians and they can go pretty deep sometimes
Yeah, I've heard some great episodes of WTF. It's one of the few I listened to this past year as well. Its interesting hearing a more serious side of comedy, the guests he has on are pretty well-known too.