Hi, so since i preordered this at EB with a T3G1F, I can go in with my receipt and photo ID, ask them to change it to Tekken 6 or Modern Warfare 2, get a new receipt and leave? I plan on going to Futureshop to buy it for 40. Also, if I print the Futureshop PS3 Borderlands page and Futureshop is...