I agree that Michele Bachmann won the debate though (if we're defining the winner as the candidate who helps him/herself the most by his/her performance). She toned down the crazy and actually came across as fairly reasonable...which may be the first time that I've seen her do that. I think that she's probably the second-tier candidate who is most likely to break out and have a strong insurgent campaign.
Mitt Romney did pretty well too, but as others have said, it was mostly because he didn't screw up.
I think the biggest losers were Tim Pawlenty and Herman Cain. T-Paw didn't give any reason why he should be the anti-Romney candidate as opposed to anyone else, and Cain was a big disappointment given his supposedly great oratory skills.