Talk about search options and bells and whistles......

example search:
http://www.viewzi.com/search/4sources/seo

review:
http://www.techcrunch.com/2008/06/09/exclusive-access-to-viewzi-the-ridiculously-flexible-visual-search/

http://www.kosmix.com/topic/seo?

Another interesting attempt at creating a vertical, universal search....
worth a try for comparisons of information sources

Here is a review and comments from Techcrunch
http://www.techcrunch.com/2008/06/25/kosmix-goes-horizontal/