This article mentions new search engines such as PreFound.com, Dumbfind, and Eurekster’s Swicki.
All Provo Labs developers: please check out these new search engines that incorporate user click streams, tags, and user input to affect search results. Also, check out Wink.com.
Also, please check out Zeal.com where “zealots” are enlisted to create an alternative directory to Yahoo and DMOZ. The coolest thing about Zeal is how the zealots are motivated by status and reputation to contribute a lot to the directory.