Score of 1-10 (10 being best) of the different variations:
Death Knight (unholy)7Death Knight (frost)7Death Knight (blood)5Druid (feral)7Druid (balance)7Druid (resto)1Hunter (survival)4Hunter (marksman)4Hunter (beast mastery)4Paladin (retribution)5Paladin (protection)3Paladin (holy)1Priest (discipline)2Priest (holy)1Priest (shadow)6Mage (frost)10Mage (fire)9Mage (arcane)7Rogue (subtlety)4Rogue (assassination)8Rogue (combat)9Shaman (enhancement)5Shaman (elemental)6Shaman (resto)1Warlock (affliction)6Warlock (demonology)5Warlock (destruction)7Warrior (protection)4Warrior (arms)5Warrior (fury)4
Let the trolling / flaming commence!