Splinter Cell - Double Agent

FilePlanet
Trailers and gameplay footage.
http://www.fileplanet.com/102525/0/section/Splinter-Cell-4

GameFAQs
Release data and a message board.
http://www.gamefaqs.com/console/gamecube/data/926931.html

GameSpot
News, previews, and a forum.
http://www.gamespot.com/gamecube/action/splintercell4/

GameSpy: Tom Clancy's Splinter Cell 4
Information, screenshots, and a movie.
http://xbox.gamespy.com/xbox-360/tom-clancys-splinter-cell-4/

IGN: Tom Clancy's Splinter Cell 4
News, press releases, screenshots, and videos.
http://xbox360.ign.com/objects/736/736174.html

Neoseeker
Reviews, user reviews, cheats, FAQs, discussion forum, screen shots.
http://www.neoseeker.com/Games/Products/XBOX360/tom_clancys_splinter_cell_4/

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/