Multiple computers Office 2003 Activation

[hitek2000]

I have 40 identical Dell systems that came pre-installed with XP Pro and Office 2003. I have the original disks and licenses for the OS and Office programs. I am trying to make an unattended install disk that I can use to quickly rebuild the systems but have a question on activation. I think I can get around the OS activation by using the Backup method with the WPA.DBL file, but what do I do for Office 2003 activation? Is there a way to bypass or copy a different file?