You will be able to switch a Microsoft Windows Vista computer in two seconds.
Microsoft official Windows Vista site is claiming that a Windows Vista computer starts and shuts down as quickly and reliably as a television, typically within 2 to 3 seconds.
Windows Vista processes login scripts and startup programs and services in the background so you can start working right away.
Other noticable feature Windows Vista are "Flip" and "Flip 3D". Flip allows you to flip through open windows (by using Alt+Tab) providing a live thumbnail of each window rather than just a generic icon and filename.
With Flip 3D,you can use the scroll wheel on your mouse to flip through open windows in a stack, and quickly locate and select the one you want to work with.
Windows Vista will display the the actual first page for documents, the actual image, screen capture for videos, and album art for individual songs.