Nic takoveho nema, bohuzel.
Az do WXP byl na to vyborny FolderSize:
http://foldersize.sourceforge.net/
Skoda, ze od Visty je to nefunkcni ;-(
Jedine neco podobneho jako:
http://www.mindgems.com/products/Folder-Size/Folde r-Size-Screenshots.htm
http://download.cnet.com/TreeSize-Free/3000-2248_4 -10139400.html