One more poll: Who will win on tuesday?

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I've been combing over data for the last two or three days and won't make my final map till Monday.  I tend to think at the moment that Obama right now has 281 EVs more or less locked up, despite narrow margins, and, by a whisker, he might add Virginia.  I'm more doubtful about Colorado, as I'm coming to believe recent polls slightly favoring him there are belied by early voting returns, and I don't think the youth or Hispanic vote will make up the difference on election day.  I think Obama's range is 281-294 EVs.  But I think he will win.