I use the old [Space Monger][1].  It is pretty basic visual representation of your dive contents.  Along the line of WinDirStat it shows the space taken up by a folder or file's contents.!.  I like it over WinDirStat because it labels the shapes so you can see very quickly what folders and files take up the most space.  It is a bit slow to index when you first open, but reloading after changes, even on my terabyte network shares is almost instantaneous.

![Space Monger 1.4.0 screenshot][2]

The interface is simple and to the point, with no extraneous gimmicks.  Also there is no install all you need is the exe and you are good to go.


  [1]: http://www.sixty-five.cc/sm/v1x.php
  [2]: http://www.sixty-five.cc/sm/img/sm1x-large.gif