Found this on RFD, thought would be a good share
Xbox LIVE Back to School Sale from September 4 - 10. Open to both Silver & Gold members
XBLA Games
3D Ultra Minigolf — 200 Microsoft Points (was 400 MSP or 50% off)
Assault Heroes — 200 Microsoft Points (was 400 MSP or 50% off)
Assault Heroes 2 — 200 Microsoft Points (was 400 MSP or 50% off)
Bloodforge — 600 Microsoft Points (was 1200 MSP or 50% off)
Carcassonne — 400 Microsoft Points (was 800 MSP or 50% off)
Geometry Wars Evolved 2 — 400 Microsoft Points (was 800 MSP or 50% off)
Joe Danger Special Edition — 600 Microsoft Points (was 1200 MSP or 50% off)
Joe Danger Special Edition DLC: Showtime Content Pack — 120 Microsoft Points (was 240 MSP or 50% off)
Mortal Kombat Arcade — 400 Microsoft Points (was 800 MSP or 50% off)
Raskulls — 400 Microsoft Points (was 800 MSP or 50% off)
Rock of Ages — 400 Microsoft Points (was 800 MSP or 50% off)
Rocket Riot — 200 Microsoft Points (was 800 MSP or 75% off)
Sam & Max Save the World (all 6 episodes) — 800 Microsoft Points (was 1200 MSP or 50% off)
Sam & Max Beyond Time and Space (all 5 episodes) — 800 Microsoft Points (was 1200 MSP or 50% off)
Sonic the Hedgehog 4: Episode I — 400 Microsoft Points (was 800 MSP or 50% off)
Sonic the Hedgehog 4: Episode II — 600 Microsoft Points (was 1200 MSP or 50% off)
Stacking — 300 Microsoft Points (was 1200 MSP or 75% off)
The Simpsons Arcade Game — 400 Microsoft Points (was 800 MSP or 50% off)
Warp — 400 Microsoft Points (was 800 MSP or 50% off)