Professional level snapshot tool

From: Harry Putnam (reader_at_newsguy.com)
Date: 02/21/05 

Date: Sun, 20 Feb 2005 22:49:36 -0600

Can anyone here advise from experience on a snapshot taking tool that
can take an accurate snapshot of filesystem and Registry.

Take a later one and make a serious comparison. Not just by filename
and date but an actual diff where files are really compared, and then
spit out a comprehensible report or detailed text file listing the
differences.

I don't mean something like Inctrl5. It makes such a fast comparison
I know there isn't an actual diff done. But only a light weight
filename check or the like.