As we had told you that Microsoft is working on Windows 8,And it will be available at around second half of 2012.
Now a Microsoft site (Netherland) has leaked some information about the releasing date of Windows 8 and as per the information it seems that :-
Windows 8 Beta = January 2012
Windows 8 RC = April 2012, and
Windows 8 RTM = October 2012
It will be launched at around October 2012.If you notice then you will found that it is almost as same as Windows 7 dates.
Now lets see what happens.We are hoping that Windows 8 will repeat the success story of Windows 7.