After releasing Developer Preview version in a few months ago, Microsoft is rumored to be released the latest version of the latest operating system made by them, Windows 8.
Quoted from Tom's. Hardware, Microsoft CEO, Steve Ballmer is rumored to be talking a lot around Windows 8 on the mat Consumer Electronics Show (CES) in 2012 to be held in January 2012. But there is no definite information around what features will be demonstrated and demonstrated during the event.
Windows 8 which is currently still a Developer Preview version reportedly will enter beta sometime in February 2012, one month behind CES 2012. The final version is rumored to be sliding about mid-2012.