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.
UACC Auctions
Features hundreds of autographs up for auction online listed only by UACC Registered dealers.
Alexander Autographs
Auction house for fine historical autographs and manuscripts in the United States.
Linda Payne Autograph Company
Bi-weekly autograph auction.
R&R Enterprises Autograph Auctions
Monthly auctions of rare, vintage and contemporary autographs and ephemera.
Christophe Stickel Autographs
Offers auctions of historical documents, signed books, and first day covers conducted via phone and mail.
Fred Senese Autographs
Fred Senese Autographs has been buying and selling autographs since 1991