Awwww I leave for a few hours to watch TV and the thread gets closed.
To topic though to do my part to prevent further closing:
The only two things I really hope to see in a demo are a character creator-as close to the full creator as possible, and some example of different armors/weapons.
The customization is one of the only thing that has been worrying me and so far the statements about the squee inducing number of hair options have been good, but I'm still paranoid that we'll get some horrible thing where the default faces look awesome but all of the customizable ones look like creepy space monkeys...
The armors though I just want to see because the ones that have been shown look so good and I want to see more