Zachary Quinto has never done a convention. The closest he got was the comic-con announcement. But now he's signed for 2008's grand slam.
I really really hope this doesn't turn him off to Star Trek. People are scary.
So, who else wants to do Burbank in place of Vegas now?
Oh, can't you just see those poodle people naming a poodle Spock just for him?
BTW, here is that link.