The build is totally made from scratch, no prestored install.wim / boot.wim, no prestored "base win7pe package").
Overall time until starting VirtualBox is 4 minutes 15 seconds.
![Attached File](http://reboot.pro/public/style_extra/mime_types/gif.gif)
![Attached File](http://reboot.pro/public/style_extra/mime_types/gif.gif)
For those who wand to know how that result can be achieved (and who want to check that it is not a fake) attached the log.
EDIT: To compare: The same project built in the classic way needs about 11 minutes.
Peter