Wirelessly posted (Mozilla/5.0 (iPod; U; CPU iPhone OS 4_2_1 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8C148 Safari/6533.18.5) Hello, I wanted to buy a iMac soon, and I would use it mostly for web browsing, but not any editing software like cs5 or final cut or anything of the like.I usually would want to be gaming the most. I would like to play battlefield bad company 2 and the online store has options for hardware. Should I either: go with the i7 upgrade? the video card 2GB upgrade? Also, or the 8GB memory upgrade? Which one will I benefit the most out of gaming? Since I am not using editing software, or running multiple apps at the same time.