Per the Rachel Maddow show, early voting results show "off the charts" voting among blacks (or "the black" for you Palin fans), the youth vote is coming in low, as usual, and absentee ballots favor the GOP 3:2. None of this particularly surprises me. The youth vote always makes a lot of noise and then falls flat. The first legitimate black candidate in Barack Obama was bound to energize that base, and absentee ballots contain a lot of military ballots which, at least historically, have favored the Republicans.
In conclusion, so far it all looks as it was expected to. McCain's chances continue to get slimmer, and time is running out.