This is an absolute, must-have tool for today's large disks. Intuitive display of file weightings really makes finding the "greedy" documents brain-dead easy, and also yields a great deal of understanding as to what exactly is on your disk!

A few things I'd like to see added:

* "Ignore this folder" (the opposite of "Zoom In" ... ie, "Okay, I've pruned this folder as much as I can; move it out of the way so the others show up bigger").

* Do the same thing for memory/cpu usage! (Okay, probably in a different app :)

* Click on a "kind" to somehow show a list of all files of that kind. Bonus points for being able to double-click items in that list to select them in the original display.