These are some sites where you can check your site or blog's position in the search result for a specific keyword.

http://www.web-inspect.com/search-en...tion-check.php

www.mikes-marketing-tools.com/ranking-reports/

www.linkvendor.com/seo-tools/serps-position.html

There is another rank search extension for firefox...

tools.seobook.com/firefox/rank-checker/