The best part about a desktop PC is the ability to customize the machine of your dreams, making it fit your gaming and financial needs. Whether you're looking to enjoy the enormous library of games on PC, or if you want to push triple A games to the limit with graphics that blow away console counterparts, there are plenty of options that won't wipe out out next month's rent - and a few that will. But let's not get ahead of ourselves; to build a proper gaming PC, you need a proper graphics card.