Clusty is a search engine, created in '04, by a company called Vivisimo, which was formed by a couple University students looking for a better way to search the web.
It queries several of the top search engines, and instead of just using result-ranking to sort out the results, they also use result-clustering, which puts similar results together, making searches a little easier.
I played around with it a little bit, and I like what I see. I installed the FireFox
Browser Thing for clusty, and I'm going to give it a fair shot to see if it can be better than Google.