Once in a while you’ll check your Macintosh HD and be astonished that you only have 4 GB free. Maybe not the case with newer Macs – but for those of us running a 60 GB Macbook or MacMini something must be done.
That’s where GrandPerspective comes to play. Not only is it free, but if offers a beautiful visual representation of your data. It may not do much more than that but it does what it’s meant to do perfectly.