3DMARK03 - Said to be THE game machine benchmark, by Futuremark.

Abby - THE Cheat Site - PC, PSX, N64, Xbox, Dreamcast, Game Cube.
ADRENALINE VAULT
All Media - Game reviews.
CHEAT CODE Central
Cheater's Den - The game site for those who can't play fair.
Clevermedia Shockwave Arcade - Downloads, play games online.
FiringSquad - Games and Hardware news, and reviews.
Game NOT Over
GamePower -
Game Spot
GameWorld - Be a Game Tester?
Game Start - 1500+Cheats
Game Winners
GamersCentral **
Gamez - Cheats for Atari and  PCIII to standing arcades - HOT
Happy Puppy - Collection of games, reviews, and free demo downloads.
ID Software - Makers of  Quake & Doom.
IGN PC - Tips - Hints-Cheat Cotes-Reviews
mplay.com - Free Online Games+
PC Gameworld.com - Downloads, Hints, Cheats, Reviews and Peeks
Rubik Online - Online puzzle site.
Sierra - Free Online Games +
SoftwareZone - Games, Cheats, Utilities and Reviews.
World of Cheats
World OpponentNetwork - Free Online Games+
Yahoo~!