BioShock

GameFAQs
Release data and a message board.
http://www.gamefaqs.com/computer/doswin/data/924919.html

GameSpot
News, previews, images, videos, links, and a forum.
http://www.gamespot.com/pc/action/bioshock/

GameSpy: BioShock
News, previews, and screenshots.
http://xbox360.gamespy.com/xbox-360/bioshock/index.html

GameStats
Screenshots, article links, and a message board.
http://www.gamestats.com/objects/793/793105/

IGN: BioShock
Previews, screenshots, news, and a message board.
http://xbox360.ign.com/objects/793/793105.html

Team Xbox
News, features, and screenshots.
http://games.teamxbox.com/xbox-360/1457/BioShock/