If you are a torrent user than this post is very helpful for you. Youtorrent is a torrent search engine that help you to find you torrent file. Typing in a keyword will pull up date, size, seeds, peers and engine for each torrent. It’s quick and streamlined. Results can be ordered according to your preferences. YouTorrent grabs its files from Mininova, The Pirate Bay, SumoTorrent, Monova, and Vuze among others.
It has also the tag clouds of Popular and Related search on the main page.
Have a look a the new Morren.com it has more results then YouTorrent and a better search.
Check out http://TorrentZEN.com/ when you get a chance. It searches 18 sites in real time and has even more features.