If you are one of those that is obsessive over Google's PageRank (PR) scores, then you will be happy to know that there is a new tool called Live Pagerank which will check the PR score of any given URL across 78 different Google data centers. Simply enter the URL you wish to check and wait.

They also offer a LivePR Indicator that you can install on your web site as well as a LivePR Firefox extension. LivePR for Firefox places a small icon in the status bar of the browser. The icon can be moved around and placed anywhere using drag and drop.