Here in Alabama, in my mostly Republican precinct, the line was longer than I have ever seen it. Lots of determined Republicans. I admit this is purely anecdotal, but the base is really fired up!!
I think it's a double whammy effect, and the brilliant part of Rove's strategy.
Kerry voters have one thing driving them to the polls, Bush hatred.
Bush voters have two things. Love and admiration for the President, as well as distaste, distrust, and downright disgust with John Kerry.