Epinions.com: Router

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-Shop_Tools-All-Router

Popular Woodworking Magazine: Routers and Accessories

Detailed reviews by brand name.
http://www.popularwoodworking.com/features/routersmain.html

Router Buyers Guide

From WoodZone.com, illustrated tips on features and uses.
http://www.wood-worker.com/articles/router_guide.htm