So it turns out that maybe Kerry won anyway...
Or perhaps no-one really won.
I'd really like to see a map done that way on a county scale.
Update: and of course someone had made one! Color gradation on a county scale.
Let's keep going: the 18-30 vote (scroll down below the "fold").
One More Update: OK, here's the best summary of all this: Election result maps (even wallpaper sized versions...)