Preface: The majority of these outfits are Alliance only for the complete set. This is because I utilize the T9 set, which is different between Horde and Alliance. I might offer what I think are good alternatives later.
My Current Outfit
Helm: Nordrassil Headguard- Token from Lady Vashj in Serpentshrine Caverns (BC T5 content)
Shoulders: Nordrassil Life Mantle- Token from Void Reaver in The Eye (BC T5 content)
Chest: Malfurion's Robe of Conquest From T9 vendor at the Argent TournamentHands: Malfurion's Handguards of Conquest From T9 vendor at the Argent Tournament
Belt: Firescar Sash From Avengers of Hyjal Rep Vendor in Firelands; Requires Honored
Legs: None
Feet: Orca-Hide Boots From Leotheras the Blind in Serpentshrine Cavern (BC T5 Content)
Weapon: Pillar of Ferocity From Anetheron in Mt. Hyjal (BC T6 content)
Helm: Valorous Nightsong Headpiece From T9 token bought from Dalaran vendor
Shoulders: Passive Resistor Spaulders From Omnitron System in Blackwing Descent (T11 content)
Chest: Malfurion's Robe of Conquest From T9 vendor at the Argent Tournament
Hands: Malfurion's Handguards of Conquest From T9 vendor at the Argent Tournament
Belt: Firescar Sash From Avengers of Hyjal Rep Vendor in Firelands; Requires Honored
Legs: None
Feet: Orca-Hide Boots From Leotheras the Blind in Serpentshrine Cavern (BC T5 Content)
Weapon: Staff of the Redeemer From quest chain in Shadowmoon Valley that leads to Cipher of the Damned.
Helm: Lilly's Bandana From quest chain in Thousand Needles, With a Little Help... (the ghost quests)
Shoulders: Veil of Turning Leaves From High Nethermancer Zerevor in Black Temple (BC T6 Content)
Chest: Knightbane Carapace From T9 Leatherworking Recipe
Hands: Malfurion's Handguards of Conquest From T9 vendor at the Argent Tournament
Belt: Firescar Sash From Avengers of Hyjal Rep Vendor in Firelands; Requires Honored
Legs: Malfurion's Leggings of Conquest From T9 vendor at the Argent Tournament
Feet: Stagabolg Boots From level 80 ish mobs. Similar versions include the green Leatherworking ones. Check AH.
Weapon: Brutal Gladiator's Staff From Legacy PvP vendor, in Stormwind or Orgrimmar.
Helm: Cursed Vision of Sargeras : Black Temple (Illidan)
Shoulders: Mantle of Shadowy Embrace : Keli'dan the Breaker, H Blood Furnace
Chest: Vest of Vengeance : Keli'dan the Breaker, Normal Blood Furnace
Hands: Deft Handguards : Quagmirran, Normal Slave Pens
Waist: Shifting Sash of Midnight : Reinforced Fel Iron Chest: Normal Hellfire Ramparts
Legs: Proto-Hide Leggings : Ulduar Trash Drop
Feet: Rapscallion Boots : Karazhan (Shade of Aran)
Weapon: Halion, Staff of Forgotten Love: Icecrown Citadel 10 man (The Lich King)
