There’s a reason for search marketers to smile today - Google has added backlink details to Webmaster Central.
Now, before everyone runs off and pops the top off a bottle of champagne, Matt Cutts would like you to know about a certain caveat to the new tool.
Do not assume just because you see a backlink that it’s carrying weight

Posted by By Vanessa Fox, Product Manager, Webmaster CentralAt Webmaster Central, we are all about communicating with webmasters about their sites in the Google index. We want to provide as much information as we can to help webmasters understand how their sites perform and how to improve their results