Problem with a Ghost CD, or any restore CD I've had the misfortune of using, is that all new data, like e-mails, pictures, MP3's, etc, will be wiped out - the hard drive's data will be placed in the same state that it was back when the restore CD was created. Still, it is a lot better than formatting, and waiting for a reinstall of every single program on there, like maybe Adobe Acrobat, Spybot, Flash player, Quicktime....loads of junk to download and install. If the customer is on dialup, downloading all this stuff is NOT a simple thing to do. I prefer working on PC's at home, where I've got broadband. Downloading a 1MB file takes a few seconds, as opposed to being able to go get a snack, and still wait for it to finish downloading. And not much is 1MB or less these days.