Ghosting Over The Network?

So we have a network with about 200 workstations.  Some are Win 7, some are Win XP and some are Win 2000, there's even a couple Win 98! For the most part, each workstation has different applications running on it.  The current issue is we have to STIG every one of them and are afraid we will end up breaking something.

So the thought of cloning each one before we apply a GPO or regedit script came to mind.  At least we can put the box back to the state it was prior to STIGing.

Question: Can we use Ghost over the network to clone a box? And how easy will it be to get a box back to this image?

Thanks,

Ray