Mostly for call of duty. Planning to eventually buy a GTX 680 Are there any compatibility problems/necessary upgrades? CPU: Intel Core i7-3770K 3.5GHz Quad-Core Processor Motherboard: Intel DQ77MK Micro ATX LGA1155 Motherboard Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory Storage: Corsair Force Series GT 120GB 2.5" Solid State Disk Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive Video Card: EVGA GeForce GTX 650 Ti 2GB Video Card Case: Cooler Master Storm Stryker (White) ATX Full Tower Case Power Supply: Antec TruePower New 750W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply Optical Drive: Sony AD-7280S-0B DVD/CD Writer Operating System: Microsoft Windows 7 Home Premium Full (32/64-bit)
no
You'd want to go for the 64bit variant of Windows 7.
Other than that it all looks to be in order from where I am sitting.