You still can. Run any program in compatibility mode; the Windows 2000 boxy UI is still there. As is the Windows Vista Aero Basic theme. Like I always say, the

You still can. Run any program in compatibility mode; the Windows 2000 boxy UI is still there. As is the Windows Vista Aero Basic theme. Like I always say, the user-mode of Windows is easiest to change, that's why it has been done almost every version.