I also got the Razasshi raptor which, as an Alliance, is just fantastic since I've never gotten a Horde character high enough to get a mount, let alone the rep to get a raptor on any class that isn't Troll =D
The Onyxian Drake would be one I would absolutely love to get, solely because me and Onyxia have been like this *crosses fingers* since way back, and she promised me one of her adolescents

The Ultramarine Battle Tank is the next in my sights, and tbh with you, I always get what I want ;P Will keep you all posted. x