I personally prefer WinDirStat: http://windirstat.info/ http://windirstat.info/ is there a definitive "best" treeviewer? In terms of how fast it's able to scan

I personally prefer WinDirStat: http://windirstat.info/ http://windirstat.info/ is there a definitive "best" treeviewer? In terms of how fast it's able to scan your drive contents?