SiteSell has a cool backlink checker and other tools to help you market your site http://searchit.sitesell.com/
People often use these three kinds of search:: Link popularity is Link: to the site MSN ------link: Altavista--link: Yahoo-----linkdomain: Google----link: Site popularity is From the site: MSN ------site: Altavista--site: Yahoo-----site: Google----site: Term popularity is Contain the "term " MSN ------ "keyterm" Altavista-- "keyterm" Yahoo----- "keyterm" Google---- "keyterm" http://link.ezer.com/tools/ ---- has example link:+space is not from the site but similar to term only so if you want term popularity only you better use " term " to search space will become + sign and make your domain become a term but not a site may this helps ..