By understanding in the early case assessment phase of your matter what the forensic drive images contain, the emails, loose documents, etc. you can arrive at a more meaningful budget and a more defensible set of reports for use in the meet and confer or in motions, etc.
Several software products to consider are:
Mount Image Pro www.mountimage.com
Sluethkit www.sleuthkit.org
GetData www.getdata.com
