And why? Bear? Wolf? Snow Leopard? Raven? I'm going for wolf personally, although I can see it being interesting based on class selection. Norn ranger? You bet I'm having a pet bear, and transforming into a bear. No-one f*cks with the bear-brigade.
Probably won't roll Norn, but Raven would be cool as it would remind me of my Zealot from Warhammer Online, lol.