Sysprep
One method of making a vanilla install is to set windows up on a computer exactly how you want it and then run sysprep from microsoft to put the computer in a pre-setup configuration, you then image the hard drive and make an image of it. This is how large computer firms make their images fort heir computers.
theitbros.com/sysprep-a-windows-7-machine-%E2%80%93-start-to...
Tutorial on doing a complete Sysprep on a Windows 7 Machine from start to finish; copyprofile=true, automatically activating windows, etc.
community.spiceworks.com/how_to/2122-sysprep-a-windows-7-wor...
Read the step-by-step instructions written by an IT pro in the how to: SYSPREP a Windows 7 workstation for imaging
www.sevenforums.com/tutorials/286053-system-preparation-tool...
This tutorial is a short introduction to the wonderful world of Sysprep.
The built-in Windows