Speaking of Knoppix, here is a decent article on using it from Tom's Hardware.  System recovery is 
mentioned at the end using qtparted and partition imager.
http://www4.tomshardware.com/howto/20040303/index.html

Brian Kelsay

>>> Rex Deaver <rdeaver@yahoo.com> 03/10/04 11:30AM >>>
Link to instructions for data recovery with Knoppix
 
http://www.shockfamily.net/cedric/knoppix/