Team Xbox (Xbox 360) - Provides preview, movies, screenshots and news of the Xbox 360 version of Tom Clancy's Splinter Cell: Double Agent. - http://games.teamxbox.com/xbox-360/1323/Tom-Clancys-Splinter-Cell-Double-Agent/
GameSpot - News, previews, and a forum. - http://www.gamespot.com/gamecube/action/splintercell4/
GameFAQs - Release data and a message board. - http://www.gamefaqs.com/console/gamecube/data/926931.html
FilePlanet - Trailers and gameplay footage. - http://www.fileplanet.com/102525/0/section/Splinter-Cell-4