Somebody please correct me if my memory is wrong, but: in McCain's concession speech, whenever he referred to Obama the audience booed and jeered (then McCain would gesture to quiet them down).  In Obama's victory speech, when he mentioned McCain, the crowd in Chicago's Grant Park clapped.

That really speaks volumes about the different tones of the campaigns and the different styles of the candidates, and most importantly about the different behaviors they inspire in people.

If four years from now our country is more like that Grant Park crowd, we've won.