It's not very often that we have a chance to take a look at a new Windows operating system here at AnandTech. Not including the release of Windows XP x64 (the 64-bit version of windows) last year, Microsoft's premier operating system for workstation and home computer use has been Windows XP for nearly 5 years; that's an unprecedented period of time from Microsoft. However, that quiet period is about to come to a close early next year, as Microsoft begins to ramp up for the release of the next version of Windows: Windows Vista.