CBS News, in a poll of undecided voters, gives Biden the edge 46%-21%. 33% say it is a draw.
CNN's poll, which was a national survey of people who watched the debate, gives Biden the edge 51%-37%.
P.S. Comment of the night goes to the great Alex Massie:
Palin is reading off cue-cards that, one assumes, have complete answers written out. Not, of course, the answers to the questions she is being asked but, indubitably, answers nonetheless.