Extreme Dedication to Windows

Extreme is an oft-overused word today, but what would it take for you to install DOS 5.0 and Windows 1.0 then upgrade through the Windows 9x family to and then the NT family to Vista and finally Windows 7?  Andrew Tait did just that and posted a video on his blog.  Its interesting for it’s view of the history of Windows display development and surprising backwards compatibility of the Operating Systems to old applications (with the exception of Windows 2000, as anyone who had to use it will recall).