After 1 847 982 spamm emails, i received the real deal yesterday.
700mb base install, followed by a long, long, long download of 13gb. It's still downloading as i write, hopefully i'll have the whole experience later tonight.
I'll post some stuff later, some screenshots and perhaps a video.
Haven't been able to create a Goblin to see how it moves and how are the racials, but i already have a Worgen made and the starting zone looks great.