It's no surprise, then, that Alienware's newly-speced Area-51 7500 showed the videogame addicts over at IGN some of the best performance they've ever seen, and ran surprisingly quietly while doing so -- thanks in no small part to the liquid-cooling system.

ENGADGET: Alienware's Area-51 7500 gaming desktop reviewed

In addition to all this, the Genesis uses liquid cooling around the motherboard, and an air-based system on the video cards.

ENGADGET: A closer look at Origin PC's Phase Change cooling system (and its new gaming laptops too)