Evil Warlock

Chest - Watcher's Tunic (quest in Nagrand)

Legs - Cindercloth Pants (Tailoring)

Shoulders- Crimson Silk Shoulders (Tailoring)

Head - Whitemane's Chapeau (High Inquisitor Whitemane)

Gloves - Red Mageweave Gloves (Tailoring)

Boots - Black Mageweave Boots (Tailoring)

Weapon - Dignified Headmaster's Charge (Heirloom)

Powerful Druid

(Travel Form) 

Head - Crown of Malorne (cost: Helm of the Fallen Defender)

(Flight Form)

Shoulder - Ironfeather Shoulders (Leatherworking)

(Cat Form)

Legs - Ceremonial Leather Loincloth (low drop rate in Ragefire Chasm)

(Bear Form)

Chest - Grizzly Jerkin (low drop rate in Ragefire Chasm)

(Aquatic Form)

Boots - Footpads of the Fang (Lord Serpentis)

(Tree of Life Form... :(. I liked it...)

Gloves - Natural Mender's Wraps (Auchenai Crypt)

Weapon - Staff of the Green Circle (level 20 druid quest)

Belt - Kirin'Var Scout's Belt (quest in Netherstorm)