Factbites

http://www.factbites.com/

... Factbites presents the user with full, meaningful sentences from every site in the search results. This means that you can often gain a great deal of factual information on a topic without ever having to leave the search page! When users do select a page, they can have much more confidence that the page deals directly and informatively with their topic."

From The Internet Resources Newsletter, September 2007