Microsoft announced that they are supporting the next version of operating system at 2011 Consumer Electronics Show in Las Vegas. Since then there were many Windows 8 rumors,videos, screenshots and leaks were released. This will be a journey starting from build 6.1.7600 until it reach the 6.1.8000 and move forward.
List of key features that Windows 8 already got
Hybrid Boot, Portable Workspace, ribbon interface for Windows Explorer, PDF reader called Modern Reader, Modern Task Manage, native ISO mounting, new packaged application model called AppX that is based on Silverlight, Windows App Store and automatically adjusting the window color to fit the wallpaper are some of the key featured already leak to public.
Windows 8 build 7850 New Features Guide
What features you would like to see on Windows 8?