Didn't see a thread after a search for the coupons so here is the post. Enjoy!
10$ off L.A. Noire(360 or PS3)
20$ off Warhammer 40k: Space Marine(360 or PS3)
20$ off Red Faction: Armageddon(360 or PS3)
20$ off Catherine(360 or PS3)
20$ off Harry Potter years 1-4 AND Years 5-7(PS3, 360, Wii, NDS...