Check out View Folder Size Pro at
http://www.moveax.com/viewfoldersizepro/Very handy utility - it will show all your folders sorted by size
directly in Windows Explorer. The program is fast, efficient and gives
you a lot of configurable options. The program can show you your disk
space usage as a diagram, making it easy to see. It's a slick program
for monitoring specific folders or for finding out exactly which
folders are taking up the most disk space.