Did you put a bug in the "Bug Report Forums?"
Its a wonderful place to find bugs/problems/glitches Ext.
I suggest you go check it out Maxen!
I have found a lot of bugs and found out Why in the Bug Report Forum..
-Any Bugs/glitches/ext, Here is the link. :}
-http://us.battle.net/wow/en/forum/1012660
-Mac Support
And since you say you have a mac, here is the mac support forums.
-http://us.battle.net/wow/en/forum/1011702
By the way, Elitecheryle is my dk. :}
The problem is that the model viewer is not supported by Blizzard. I need to cross my fingers that the producers will make a Mac compatible version, which doesn't look like it will be happening anytime soon.