Epinions: Knives
Consumer-generated reviews, buying tips and advice, ratings, price information, and searchable in a variety of ways from price to product type.
Good Housekeeping Institute: Kitchen Knives
http://magazines.ivillage.com/goodhousekeeping/consumer/kitchen/articles/0,12873,284516_290172-1,00.
Comprehensive. Consumer information from the Good Housekeeping Institute's buyers' guides and experts' product evaluations.
Steve's Knife Sharpening Site
How-to instructions for sharpening knives and other edged tools.