This looks informative.........just started to use it.
http://www.jam-software.com/treesize/screenshots.shtml
(The pro version is not freeware but there is a freeware version.)
TreeSize Professional is a powerful and flexible chard disk space manager for Windows 98/ME/NT/2000/XP/2003. Find out which folders are the largest on your drives and recover megabytes of disk space. TreeSize Professional shows you the size, allocated and wasted space, the number of files, 3D bar and pie charts, the last access date, the file owner, the NTFS compression rate and much more information for several folders or drives you choose.
Linear Mode
