ConsumerSearch: Answering Machines - Offering analysis of popular reviewers of products and services, and then recommends best buys and rankings based on reviewing the reviewers.
eBuying Guides: How to Buy Answering Machines - Concentrates on where to buy and shop for products, but also has staff-produced buying guides for over 200 products. Some of the guides are links to other buying guide sites. Accepts no payments for listings.
Epinions: Answering Machines - Consumer-generated reviews, buying tips and advice, ratings, price information, and searchable in a variety of ways from price to product type.