Wow!
6 Years That has to be a record:
T3h D34dly Thr34d N3cr0m4ncy!!11!!
Since he is an active poster you may consider PM'ing him or visiting his home website.
To answer your question . . .
Sherlock always worked for me, but I always have a good idea where things "are" on my computer. The current versions for OS X seem to be quite comprehensive.
There are a couple of "Disk Wizard" "DiskWizard" programs per Google. Some have OS 10 capabilty.
--J.D.