For games and video, look for a machine with a graphics accelerator.

CNN: Tips for the PC Buyer

Knobs and switches on its World Core synthesizer module adjust the game machine's maps, graphics, characters and even physics through voltage tweaks.

ENGADGET

But if you're a 3D-game fan, this machine's Diamond Viper V7770 graphics card will probably be the major draw: It delivered smooth motion and solid performance in our tests using Redline Racer and Incoming.

CNN: Fast and pricey PIII 550 reconsidered