I can't for the life of me find any Japanese podcasts at itunes that are over 10-15 minutes long. Most of them are between 2-5 minutes long; way too short. I'm looking for someting at least thirty minutes long covering any subject. Anyone know of any good Japanese only podcasts?

I just want to say I'm interested as well.

There are a few at:
http://www.voiceblog.jp/