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.
The Tea Shop
Antiques and collectibles include art pottery, out of print books, banks, and whimsical items.
Traders Antiques
Offers toys, glass, paper, furniture, clocks, ceramics, and jewelery. Located in Canada.
Templeton Antiques
18th, 19th, and early 20th century Americana and decorative accessories, with a slant towards folk art.
Tudor House Galleries
18th & 19th century, English, Fine Art & Antiques. Flow Blue, Staffordshire, Relief-Molded Jugs, Wedgwood, Pink Luster, Mason's, Biscuit Jars, Torquay, Commemoratives, Gaudy Welsh, Doulton, Teapots, Plates & Platters. Also, 19th century, English, original oil paintings.
TIAS.com
An online antique mall with many vendors, some have shops, some only sell online. Searchable database.