You can easily install Windows in the unattended mode. Only you gotta have brains for that
here's an extract from the manual on unattended installation
This manual is for the following groups of IT specialists:
* IT specialists responsible for deploying device drivers on client computers working under
Windows Vista or Windows Server Longhorn.
* IT specialists engaged in planning and analyzing the information infrastructure and
evaluating the features of Windows Vista and Windows Server Longhorn.
* Security specialists responsible for protecting computer environments.
* Administrators who would like to get acquainted with the technology described in this manual.
read carefully, might work out for you as well.
There are different ways to go in case of unattended installation:
1. free, but difficult (do it all manually, read stuff, get into details)
Unattended Windows installation manual.
<snip>
2. paid and easy:
Almeza Multiset
[EDIT: commercial link removed]
Way back I tried both, now I have this one DVD from MultiSet
unattended windows installation + all the rest (drivers, service packs, software)