try Norton Ghost, it create a file a couple of gig big, and you can restore it if anything happens..
You can't reduce the installation back to a installer.. it's just not possible, sorry..
lisp hacker :D
running: FreeBSD 5.4 - still learning :D
develop with: SBCL + emacs for lisp, Anjuta IDE +gcc for c, SPE for python..
browse with: opera