When looking in the unattend.xml, you're able to run various commands during the unattended installation. Can someome tell what the timeline is? I mean, does command in deployment part of unattend.xml come before the ones in OOBE part, and how about the SetupComplete.cmd (after sysprep, but before OOBE/FirstLogon?)

If it helps, I'm running Windows 7 Professionel and the install is customized for a kiosk setup.

It is all in the WAIK documentation, but here is a starting point:

http://technet.microsoft.com/en-us/library/dd744341%28WS.10%29.aspx