Yesterday Microsoft Announced that Windows 8 is Complete and will go (RTM) Release to Manufacturing
August 15th: Developers will be able to download the final version of Windows 8 through their MSDN subscriptions.
August 15th: IT professionals testing Windows 8 in organizations will be able to access the final version of Windows 8 through their TechNet subscriptions.
August 16th: Customers with the existing Microsoft Software Assurance program for Windows will be able to download Windows 8 Enterprise edition through the Volume License Service Center (VLSC). This will allow users to test, pilot, and start adopting Windows 8 Enterprise.
August 16th: Microsoft Partner Network members will have access to Windows 8.
August 20th: Microsoft Action Pack Providers (MAPS) will receive access to Windows 8.
September 1st: Volume License customers can purchase Windows 8 through the Microsoft Volume License Resellers. This applies to customers without Software Assurance.
October 26th : Windows 8 is available to the General Public and also the Microsoft Surface