http://www.microsoft.com.nsatc.net/downloads/details.aspx?FamilyId=3E90DC91-AC56-4665-949B-BEDA3080E0F6&displaylang=en
a good step by step tour
http://www.answersthatwork.com/Download_Area/ATW_Library/WinXP_Professional/WinXP__3-Setup-How_to_SYSPREP_a_Windows_XP_PC_setup.pdf