Bioshock
Developer's game site posting gameplay videos, information on the shooter, downloads, and player forums.
The Cult of Rapture
Developer site supporting the game with a free soundtrack download, news, player forums, and articles.
GameSpy.com: Bioshock
GameSpy's coverage of the game complete with reviews, video clips, news, articles, and developer interviews.
Team Xbox: BioShock
Contains review and preview articles about the spiritual successor to the System Shock series.