I would object on the grounds of... hrm... *tries to think of a good reason. Umm... I object on the grounds that I didn't think of it first!
But no, in seriousness it sounds like a cool idea, I have no objections.
It might also be cool to exchange NaNoWriMo names, because I know you can look in on other people's stuff there (what they post for you to look at, how they're coming, etc etc).
I'm um, Belial over there as well... I don't like to have to remember too many login names.