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-Microwaves

ImproveNet: 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

Consumers' Checkbook: Microwave Ovens

Gives general considerations on how to select a product and which features are useful.
http://www.checkbook.org/bargains/prodtext/kamcw.htm

BigTray: Microwave Ovens

Features buying tips and advice for kitchen equipment used in restaurants and institutional kitchens.
http://www.bigtray.com/buyers_guide.asp?catid=110220&descatid=13240

eHow: Microwave

How to choose a microwave.
http://www.ehow.com/ehow/ehow.jsp?id=5336

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