Here is my need list for the Shaman Elements set:

Boots of Elements - from Urok Doomhowl in Blackrock Spire
Coif of Elements - from Darkmaster Gandling in Sholomance
Gauntlets of Elements - from Pyroguard Emberseer in UBRS
Kilt of Elements - from Baron Rivendare in UD Strat
Vest of Elements - from Big Drak in UBRS