If you use Ghost to sysprep your computer (as far as I know), all it really does is a file transfer and program execution. It copies all the necessary sysprep files to the system, copies the sysprep.inf from the ghost server to the C:\sysprep folder, executes the sysprep.exe, then executes an image pull task to transfer the now-sysprepped image over to your ghost server. You could do the same thing manually by sysprepping and then booting to a ghost disc and doing a multicast session. The sysprep.inf doesn't have to reside on any file shares, only the ghost server (assuming you're using ghost to sysprep.)