fivethirtyeight.com's current analysis has him at 345 and pollster.com has him at 320.
As a supporter who has seen a lot since January 2007, it is amazing and I never knew if we'd ever get here. Like many Dems, there's a nervous gnawing sense that something will go wrong. But I just think, despite the best efforts of Faux Noise and the right wing, Obama will win absent a cataclysmic new revelation or gaffe during a debate. The problem for McCain is that the voters are, by now, almost all cemented in their choices with very few undecideds left and very few "swayable" decideds.
I'm showing two maps below:
fivethirtyeight's map:
And Pollster's map, which currently (10/7) gives Obama 320 with 55 tossup:
...my fingers remain crossed...