I’ve used different varieties of these programs (nLite, vLite) for some time, and have had great success. Into Windows does a walkthrough on how easy it is to integrate your drivers onto a Windows 7 installation disk. There are a lot of other options, as well, to make your life easier when installing and reinstalling Windows.
Integrating hardware drivers in Windows 7 installation setup is very simple with vLite. Although vLite was designed for Windows 7