Epinions: Microwaves 
Consumer-generated reviews, buying tips and advice, ratings, price information, and searchable in a variety of ways from price to product type.
http://www.epinions.com/hmgd-Large_Appliances-All-MicrowavesImproveNet: Microwave Ovens
Lists major manufacturers,product lines, experts, and some how-to and consumer advice, so that consumers can see what is on the market. Does not accept payments for listings. .
http://www.improvenet.com/ext/productshowcase/PS_3.html?CID=22
ConsumerSearch.com: Microwaves
Identifies which products reviewers like and dislike, where they agree or disagree, and why.
http://www.consumersearch.com/www/kitchen/microwaves
How Stuff Works: Microwave Ovens
Impartial information for the consumer explaining how microwave ovens cook.
http://www.howstuffworks.com/microwave.htm
