Helm: PvP Rep, then S1 or S2.
Neck: SSO, then S4.
Shoulder: PvP Rep, then S2
Cloak: Sergeant, then farm 60 badges.
Chest: PvP Rep, then S1
Bracer: S1 or S2
Gloves: PvP Rep, then S4.
Belt: Farm AH for a BoE blue item, then S4.
Legs: PvP Rep, S1/S2, then S4
Boots: S1/S2
Rings: S2 & S3
Trinket: I took Alchemy and still using a Quested green item, then PvP or Badge
Weapon: SSO, then S1/S2
Shield: SSO, then S2
Totem: Mechanaar Totem of the Void farming, and/or the 20 Badge one.