She’s better looking according to Joe Biden:

“From our perspective the whole deal is how does the government help you get back up without getting in the way?” Biden asked. “There’s a gigantic – gigantic — difference between John McCain and Barack Obama, and between me and I suspect my vice presidential opponent. And that is that – ”
The crowd laughed.
“Well there’s obvious differences,” Biden said, beginning to ham it up. “She’s good looking,” he said, laughing. “You know there’s obvious differences. But there’s a whole lot — “

Um…I can think of a couple more differences. She’s not a sexist buffoon or someone who runs off at the mouth and loses track of her point and menders until she finds something to talk about (too early to tell if she’s a gaffe machine like her opponent :-).