For prebuilt gaming desktops, a few companies are reliable and widely available. Dell's Alienware division produces solid if sometimes pricey PCs that have a fan following. Asus's Republic of Gamers line hits the midrange and high-end markets with good machines. Acer's Predator line is also good, and HP's Omen models have their adherents.

The holiday shopping season is just around the corner, and if you can't wait until Black Friday to upgrade your gaming desktop, you can save big now on brands like Alienware, HP Omen, and Lenovo.

If you buy through affiliate links, we may earn commissions, which help support our testing. You know who's ready for Black Friday? We are. Best Buy is too. We've torn through its early holiday shopping ad to bring you some of the best buys on electronics,