SP3 "checked build" available in ISO form, hope you like 500 meg downloads!
Windows XP Service Pack 3 (SP3) includes all previously released updates for the operating system. This update also includes a small number of new functionalities, which do not significantly change customers’ experience with the operating system.
This file is a CD image file for users who wish to create an update CD for Windows XP Service Pack 3, for example for offline installation by administrators.
Thanks to those who alerted us.
Enjoy now!