Armored Core 4

GameSpot
News, previews, images, videos, links, and a forum.
http://www.gamespot.com/xbox360/sim/armoredcore4/

GameSpy
Provides information, screenshots, and movies.
http://ps3.gamespy.com/playstation-3/project-force/

GameZone
News, downloads, screenshots, and links.
http://xbox360.gamezone.com/gamesell/p30819.htm

IGN
Screenshots, videos, previews, news, and a message board.
http://ps3.ign.com/objects/761/761163.html

Team Xbox
Movies, news, and screenshots.
http://games.teamxbox.com/xbox-360/1559/Armored-Core-4/

1UP
News, previews, images, videos, files, and links.
http://www.1up.com/do/gameOverview?cId=3143793

Wikipedia
Article covering the storyline, characters, glossary, features, and critical response.
http://en.wikipedia.org/wiki/Armored_Core_4