Some cool feature to use in Windows 7.
Checkout the Native Boot.
Using VHD files and Native Boot in Windows 7:
http://youtu.be/gEnIO9KRlLo"Using VHD files and Native Boot in Windows 7. Creating, managing and imaging VHD (virtual hard drive) files with "Disk management" and the command-line tool "diskpart". Transfering bootable images to VHD files via ImageX.exe. Booting from VHD files using Windows 7's Native Boot capability."