Huh. Leonard got filelight working on his mac. Not willing to headache with fink unstable, I searched around for another solution, and found Disk Inventory X. DIX isn’t bad by any means. It reminds me of SequoiaView, a favorite app of mine from my windows days. DIX’s UI is a bit slow (if, by “a bit”, you mean “glacially”), but its sorted metadata display is really neat (i.e. how much space is taken up, not only by directory path, but also by filetype).
I’d been suffering for space on my too-small-harddrive iBook, and the results of the scan were surprising: 1.5Gb iDVD.app? Deleted. Another 1.2Gb encyclopedia? I haven’t used an encyclopedia in years–that’s what wikipedia is for. Deleted.