February 06, 2007
Google's backlink checker
Want to find who links to your site? Google says:
Now you can use webmaster tools to view a much larger sample of links to pages on your site that we found on the web. Unlike the link: operator, this data is much more comprehensive and can be classified, filtered, and downloaded.
Also see Google blog.
WebMaster View has 423 external and 3493 internal backlinks.