i think it's easier to just get a new drive coz to deploy via LAN you need something similar to deploying XP - a RIS (remote installation service) server (in the case of vista, it's using the new WDS server (windows deployment services)).

you'll need to setup a RIS/WDS server, create the image file, answer scripts, share folders, DHCP setup, configure the image manager to deploy the modules, etc.

technet has all the details on it.
http://technet.microsoft.com/en-us/windows...a/aa905119.aspx
http://www.microsoft.com/technet/desktopde...nt/default.mspx

have fun