AimLower
Compares prices on computers, electronics, appliances, video games from many stores.
http://www.aimlower.com/

mySimon
Comparison shopping site presenting product listings from stores, organized categorically.
http://www.mysimon.com/

PriceWatch
Searches for the lowest prices on computers, computer components, software and electronics.
http://www.pricewatch.com/

Best Web Buys
Comparison shopping services for books, bikes, music and videos.
http://www.bestwebbuys.com

DVD Price Search
Compares DVD prices from multiple stores.
http://www.dvdpricesearch.com/

Nextag.com
Price, tax and shipping comparison guide. Product and seller reviews.
http://www.nextag.com/

ShoppingAisles.com
Compare prices on music, DVDs, VHS, books, magazines and video games.
http://www.shoppingaisles.com

Yahoo! Shopping
Includes product information, price comparisons and merchant reviews.
http://shopping.yahoo.com

ShoppingSpot
Shopping and consumer information portal that simplifies the search for shopping sites by category, product reviews, comparison shopping sites and coupons.
http://www.shoppingspot.com

Best Buy Finder: Software
A software program that simultaneously searches the top online comparison shopping sites for the lowest prices.
http://www.bestbuyall.com

eBuyingguides.com
Buying guides for over two hundred products, including links to rated shopping sites and articles on how to buy.
http://www.ebuyingguides.com

Shopping.com
Compare products, prices and stores.
http://shopping.com/

Become
Search engine with a large index of material related to shopping, such as buying guides, reviews, articles, specifications, forums, merchants.
http://www.become.com/

Shopzilla
Shopping search offering price comparison, reviews and store ratings.
http://www.shopzilla.com/

ActiveShopper
Comparison shopping site that that also offers its content through an Internet Explorer toolbar. The toolbar automatically scans, locates, and compares prices for items viewed on e-commerce sites.
http://www.activeshopper.com

Street Prices
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.
http://www.streetprices.com

Forbes.com Best of the Web - Reviews of 12 Major Comparison Shopping Sites
December 2005 reviews.
http://www.forbes.com/bow/b2c/category.jhtml?id=100

Comparison Shopping on Sale - Forbes.com
As shoppers reject the malls for gifts found on their LCD's, comparison-shopping sites have become white hot.
http://www.forbes.com/2005/12/14/bow05121401.html

Google Product Search
Search engine which shows photographs of relevant products. Searches can be restricted by price, type of good, and retailer.
http://www.google.com/products

Octopart
A search engine for electronic components. Search for price, spec, and inventory information from multiple distributors.
http://www.octopart.com

Home Values
House prices by address, ZIP code and city as well as home value trends over a 6-month period.
http://realestate.aol.com/home-values