
They won't do playable beast tribes or similar, because - as I recall from various interview answers on the subject - the JP audience doesn't like it, and because it presents too much difficulty/takes too many resources when preparing gear/hairstyles on a par with the rest of the existing races.
I really don't think WoW should be considered to have the monopoly on distinctive race designs, though.
I really don't think WoW should be considered to have the monopoly on distinctive race designs, though.