Best of the Web - A terrific cross-referencing search of the web, plus an index of reviewed sites! Recommended!
Buybackbooks.com - Compare Online Bookstore Prices, Buy Books, Sell Books, & Trade Books!
DogPile - A multi-search engine -- performs simultaneous multiple searches
Internet Search Engine Database - Internet Search Engines Database, offers a guide to search engines and directories along with search engine submission, list of top and major Internet search engines, internet search engines articles, and search engine news.
staplesearch - Over 30 pages packed with search engines, web indices, links to unique informational sites, web resources , and quality shopping.