The Macbook Air isn't generally thought of as a gaming computer. That didn't stop Tech Inferno forum member kloper from hacking together a system to play high-end games on a decent graphics card using the Air.
The process uses the Macbook Air's Thunderbolt cable to handle the rendering, then runs through a bunch of other cards, and finally hits the video card. It's a complicated process, but the fact that the whole setup is removable means that your Macbook Air remains as portable as ever. Head over to Tech Inferno for kloper's full guide.