Mark Wilson has written a couple of great articles relating to the resolution of all to common problems you may encounter when performing RIS (Remote Installation Services) installs of Windows XP. RIS installation is not easy to get right, especially when you have disparate hardware to deploy to.  I'm sure that these articles will get you going in the right direction as they have loads of great information and links to other sites where you can drill into detail further. You can read the articles here.