You're at 98.15% according to your armory and don't forget about raidbuffs, food and elixir's - putting you at 101.65%. Add a second profession like JC and you could be ready.
from dungeons either Porcelain Crab (heroic) or Throngus's Finger (heroic),
from reputation Mirror of Broken Images (Baradin Warden, it's still BiS for several fights), Essence of the Eternal Flame (Avenger's of Hyjal) or Stay of Execution (also Avenger's of Hyjal)
from profession Lifebound Alchemist Stone (alchemy)
else: Darkmoon Card: Earthquake (Auction House), Impetuous Query (also Auction House, please not that there's no heroic version even if dataming sites state otherwise).