Pretty good news from Google today - they have added "URL Removals" options to their Webmaster Central tools. This tools allows to remove not only URLs, images or files from Google's index, but also whole directories, sub folders, a whole site if you wish and even cached pages in the results. I noticed that many agents lately fighting duplicate content issues, wrong cache in the results, supplemental results etc. Well, I think this is a great tool to play with. Read the details on how to use URL Removals tool at the Official Google Webmaster Central blog.