Don't know if already posted:
Druid: http://imgur.com/a/huP68
Hunter: http://imgur.com/a/7id0A
Mage: http://imgur.com/a/qSqYO
Monk: http://imgur.com/a/AS0PQ
Paladin: http://imgur.com/a/pefMR
Priest: http://imgur.com/a/JDqRk
Rogue: http://imgur.com/a/WlG5m
Shaman: http://imgur.com/a/IBQwj
Warlock: http://imgur.com/a/ayDj0
Warrior: http://imgur.com/a/fbHvD
Druid, Mage, Lock and Warrior are my favorites. Rogue is easily the worst.