We have themes and transformation packs for Mac OS x Lion, Windows 8 and, Windows 7 on Xp so why not have the Ubuntu 11.04 Natty Narwhal user interface on Windows 7, "Ubuntu Skin Pack" is a free transformation pack for Windows 7 allowing users to enjoy the refreshingly simple, minimal and clean look of Ubuntu on there computers.
The transformation pack supports all language version of Windows 7 SP1 and features boot screen, login screen, wallpaper, start button, icons, sounds scheme and other helper applications to provide the perfect Ubuntu experience.