The $500 Gaming PC Upgrade

sand writes: "Building a powerful PC for gaming doesn't have to be expensive. In this article, FiringSquad spends $500 on a gaming upgrade, and compares its performance to that of a high-end Core 2 Extreme PC. The Core 2 Extreme rig is faster, but you may be surprised by how well the $500 PC is able to hang with it in Crysis, Call of Duty 4, and Unreal Tournament 3."