Finally, Microsoft Corp has announce release of Windows8 after long speculation by IT professionals and blogger. Release detail are here on MS Site. http://www.microsoft.com/Presspass/Features/2011/jun11/06-01corporatenews.aspx and http://www.buildwindows.com/ . Windows8 will be available on desktop, laptop and tablet. Windows8 will run with or without keyboard and mouse. Windows8 will also run on systems on a chip environment.
Windows8 building video.