Exclusive to Gold Members, sale lasts a week.
DR2: Case Zero - 200MSP (normally 400)
DR2: Case West - 400MSP (normally 800)
Dead Rising 2 - Psycho Skills Pack 80MSP (normally 160)
Dead Rising 2 - Soldier Skills Pack 80MSP (normally 160)
Remember these are both stand alone games, so you won't need purchase the full game to play either of these.
Hope this helps someone.