I posted a listing of the class rewards and the requirements for each under the discussion thread for each class. This should help to answer a lot of the questions ive been getting lately as to what items, faction and scarabs each class needs =)
two side notes...1) the quests for these can be found in the cenarian stronghold to the left and right of the mailbox, and 2) these things are GREAT becuase they can be mashed with a tier 1,2, or 3 set easily since they all go in non tier set slots (back, ring, and weapon)...