There's a very interesting website that compares the three main search engines in a blind test, so you can try a search query and vote on which of the results returned seems the best:
http://blindsearch.fejus.com/
It's a quick and interesting way to compare all the search engines for the same search result
http://blindsearch.fejus.com/
It's a quick and interesting way to compare all the search engines for the same search result