Have you ever envied a Linux or Unix user when they use multiple desktop environments? Atleast i did at times until came across the Vista/XP Virtual Desktop Manager for Windows Vista & Windows XP. One of Vista’s most talked-about new features is the Desktop Window Manager (DWM). The Virtual Desktop Manager use a set of thumbnail API’s that can be used to access thumbnails of open windows to provide a powerful virtual desktop manager with a full screen thumbnail based preview. You can have as many desktops as you want and can seamlessly switch between them.