T1: Warlock
T2: Rogue
T3: Warrior
T4: Druid
T5: Priest
T6: Druid
T7: Paladin
T7.5: Warrior
T8: Hunter
T1: Warlock
T2: Rogue
T3: Warrior
T4: Druid
T5: Priest
T6: Druid
T7: Paladin
T7.5: Warrior
T8: Hunter
Priest/Druid T5 and Warlock T6 are my favourites.