I thought of Myers as well, particularly since PZ is a biologist and not a huge fan of evolutionary psychology it could lead to some informative debate.
Regardless I would be very interested to see a discussion with a physicist/biologist/chemist as opposed to a philosopher/economist/computer scientist. We seem to get a lot of the latter but not much of the former and I'd like to see their perspective on some of our brand of rationality.
Bloggingheads.tv can't exactly call up, say, the President of France and get him to do a diavlog, but they have some street cred with mid-rank celebrities and academics. With that in mind, how would you fill in this blank?
"I would really love to see a diavlog between Yudkowsky and ____________."