SpaceSniffer is a freeWare (donations are welcomed) and portable tool application that lets you understand how folders and files are structured on your disks. By using a Treemap visualization layout, you have immediate perception of where big folders and files are situated on your devices.
As some of you may remember, I dropped my MacBook Pro a little over a week ago and killed its internal hard disk. I ordered a replacement from Other World Computing and installed it and aside from some dings on the case I think I’m back up to speed with