Froogle:
Developed by Google, Inc. One of the most promising price comparison sites to date.
BizRate:
One of the largest price search sites. Over 30 million products listed.
Shopping.com:
Child of Dealtime and Epinions, now merged to provide you with three shopping search engines that feature your products separately, yet the same.
Yahoo Shopping:
Complete Yahoo Shopping data feed creation and maintenance solutions.
MSN Shopping:
Complete MSN Shopping data feed creation and maintenance solutions.
NexTag Shopping:
Complete NexTag data feed creation and maintenance solutions.
PriceGrabber Shopping:
Complete PriceGrabber data feed creation and maintenance solutions.
Netsifters
Antique, old, first edition, author inscribed, rare, limited edition, scarce, small press, out of print, remainders, and used books organized into many categories.
Newport Book Store
Fine, new and rare books, specializing in Americana, military history, intelligence and espionage, with an emphasis on the American Revolution.
No Garbage Books
Includes a search feature, links to other book sites, and local history.
Noonan's Books
First editions and rare books.
Napier Books
Used, rare and out of print books specializing in military, philosophy, history and business.