Better Business Bureau

CNet Reviews  (Good resources for computer hardware and software reviews)

Consumer Action (Consumer Education and Advocacy since 1971)  

Consumer Search (Over 800 product categories--a great place to start you product research)

 Consumer Product Safety

Consumer World

 Credit Report  provided free through the U.S. Federal Trade Commission

Epinions (Unbiased reviews by real people)

Federal Citizen Information Center (price a car, RV, boat, etc.)

National Fraud Information Center

Teen Consumer Scrapbook (but good for adults too!)

U.S. Food and Drug Administration