I ask that question for several reasons:\n\n1. I'm about to upgrade to Tiger and I may use the Erase and Install\noption. If so, I was going to use the Migration Assistant to transfer my\nfiles from my external FW drive which has a Retrospect Duplicate of my\ninternal drive.\n\n2. If I ever have a major crash of my internal hard drive, my plan was\nto install a new hard drive and the Duplicate the Duplicate back to the\nnew internal hard drive and then Restore the User folder which I backup\nwith Retrospect daily.\n\n3. When I have booted from the Retrospect Duplicate on my external FW\npartition, it does some things that makes me wonder if it is a\nduplicate. For example, the last time I did this my new version of Now\nUp to Date applications did not show in the Application folder of the\nDuplicate nor on my internal hard drive and the new menu icons for Now\ndid not appear in the Apple menu bar. Also, I could not find some newer\ndesktop items on my internal hard drive when booted from the Duplicate\nand opening my internal hard drive. Maybe there are reasons for these\ndifferences.\n\nAppreciate any input. Thank you.\n\nPS Again, I use Retrospect. I don't know if CCC or SuperDuper!\nduplicates are the same.