The weekly GameStop weekend special ads have just been released. This weeks ad includes saving $100 off the PS3 when you trade in a PS2 + 3 games; and, Star Wars : The Force Unleashed is $20 off it’s regularly marked price, settling at a sweet $39.99. Speaking for the Xbox 360, you can save $5 off Gears of War 2, Fable 2, and Halo Wars.