all the panels really. probably take my high school buddy who has nothing better to do other than call up dealers to fight them in his front lawn. get em out of the place for a while.
Art of World of Warcraft: I am anxious to see character updated models. I love the Tauren and am worried and teeming with excitement that they get a nice new look.
Diablo III: Reaper of Souls Cinematic Intro - Bringing Death to Life
I'm hoping it's a behind the scenes view at the cinematic department comparable to the MoP intro cinematic behind the scenes panel last year. They did really good on portraying Death as the new Diablo Antagonist and would be cool to see the work involved.