I’ve just finished catching up on my RSS reader and came across the following post from Sarah on the Channel 10 site.

WPF Disk Space Finder | Sarah In Tampa | Channel 10

In summary this application gives you a quick and easy way to see what is using the disk space on your machine.  What makes this even better is the fact that it is a WPF app and is deployed using ClickOnce deployment.

Direct link to Disk Space Finder: http://www.diskspacefinder.com