Includes product information, price comparisons and merchant reviews.

Price, tax and shipping comparison guide. Product and seller reviews.

Compare products, prices and stores.

Pricing search engine reviews over 40 online stores for new and used books, and locates coupons if available.

Comparison shopping site presenting product listings from stores, organized categorically.

Search hundeds of record stores for CDs, vinyl, and related merchandise.

Searches for the lowest prices on computers, computer components, software and electronics.

Compare prices on thousands of products for UK delivery. Includes the most popular searches.

Searches for the lowest prices on computers, software, office products and electronics.

Compare prices at over 30 online bookstores by title, author, ISBN, or keyword.

Book shopping search engine, plus a meta search of 12 directories of used, rare, and out of print booksellers.

Compares new and used prices among multiple book stores.

Compares prices among 41 on-line bookstores, including used and out of print titles.

Comparison shopping services for books, bikes, music and videos.

PC component, PDA, and digital camera price index with graphs of prices over time. Includes e-mail alerts when an item drops below the price specified.

Compare prices and listen to sound clips from about 20 dance vinyl shops.

Compares prices and availability for new and used textbooks.

Compares new and used book prices at online stores.

Compares DVD prices from multiple stores.

Compare prices at several online bookstores by ISBN, author, or keyword.

A web browser add-on that automatically scans, locates and compares prices for any item selected at an e-commerce site. Eliminates price comparison tables and the need to jump from site to site to find the best price.