GameRankings [ http://www.gamerankings.com/ ]
Indexes over 240,000 video game reviews from both online and offline sources, plus over 230,000 other news articles.

GameSpot [ http://www.gamespot.com/ ]
The world's largest source for PC, PlayStation 2, Xbox 360, Wii, PS3, GameCube, PSP, DS, GBA, PS2, PlayStation 3, and Xbox video game news, cheats, reviews and more