well, I use DOS. :) Really. DOS has much more flexability then the Windows Filemanger (or explore, whatever it is in the version i use). For example, if you goto a folder you want (in dos) to know the size of (the current folder, all files, and all sub folder sizes) you simply (in dos) type in "dir /s". It will list everything in that folder and all sub folders, with their sizes. You can also save this list as a text file: "dir /s >filename.txt". Then use the move command to move files, or xcopy can do it too. The bad (and inconvient) thing about Win2k and newer is that MS took outthe "deltree" command, so it's easier to delete folders with file/subfolders in filemanger.

hope that helps.