The Sims 2

Arrendale Heights
Soap opera written and illustrated using the game. Includes episodes, character biographies, lots, and links.
http://emsimsoap.planetthesims.gamespy.com/

Cheats Codes Guides
Hints, and a list of cheats.
http://www.cheatscodesguides.com/pc-cheats/the-sims-2/

FilePlanet
Includes movies, trailers, patches, and skins.
http://www.fileplanet.com/94577/0/section/The-Sims-2

GameSpy
Offers game information, previews, interviews and movies.
http://pc.gamespy.com/pc/the-sims-2/

IGN
Contains news, special features, message boards and previews.
http://pc.ign.com/objects/564/564180.html

Sim Estates 2
Offers furniture, furnished and unfurnished houses, build mode objects, terrains, and Sims.
http://simestates2.planetthesims.gamespy.com/

SIMplicity-Lane
News, FAQs, clothing, re-colors, lots, themes, stories, and a message board.
http://simplicity.planetthesims.gamespy.com/

Sugah's Place
Provides walls, floors, Sims, lots, and a download guide.
http://sugahsplace.planetthesims.gamespy.com/

Team Xbox
Previews, news, and screenshots.
http://games.teamxbox.com/xbox/1259/The-Sims-2/