One of the hilarious if somewhat disgusting themes we've heard from certain quarters is that Obama will win because he's black. It's quite an amazing thing that no other African-American figured out that all they had to do was go work in the state legislature, become a US Senator, and then run for president and there'd be no stopping them.
That's not to say his race is neutral and has no impact, but the idea that it's some sort of giant advantage is truly bizarre.