This is far, far, far too early to say. This weekend's numbers may also be too early, you need to wait till Monday or Tuesday.
Based on history though, Romney's probably not going to get much of a bounce. Even if you factor in that Romney got one of the clearest "won the debate" flash polls in a while, there is a very weak correlation between perception of who won the debate, and actual change in the poll results.
We've had many elections where the candidate perceived to have lost a debate actually improved in the polls the following week.
<WarMoose> Think about how stupid the average person is. Now realize that half of them are dumber than that.
<Chunda> Why half?