Microsoft just released a press release announcing that Windows 8 has been released to manufacturing (RTM)
Here are the important dates for us developers
August 15th: Developers will be able to download the final version of Windows 8 via your MSDN subscriptions.
August 15th: IT professionals testing Windows 8 in organizations will be able to access the final version of Windows 8 through your TechNet subscriptions.
August 16th: Customers with existing Microsoft Software Assurance for Windows will be able to download Windows 8 Enterprise edition through the Volume License Service Center (VLSC), allowing you to test, pilot and begin adopting Windows 8 Enterprise within your organization.
August 16th: Microsoft Partner Network members will have access to Windows 8.
August 20th: Microsoft Action Pack Providers (MAPS) receive access to Windows 8.
September 1st: Volume License customers without Software Assurance will be able to purchase Windows 8 through Microsoft Volume License Resellers.
As you can see, you only need to wait 15 days before you can download Windows 8 RTM from MSDN
Rest of the press release can be found here: http://windowsteamblog.com/windows/b/bloggingwindows/archive/2012/08/01/windows-8-has-reached-the-rtm-milestone.aspx
Windows Server 2012 is also released, see here for more info: http://blogs.technet.com/b/windowsserver/archive/2012/08/01/windows-server-2012-released-to-manufacturing.aspx
September 4 is when Windows Server 2012 will be generally available for evaluation and purchase by all customers around the world
Visual Studio 2012 is also done, see here for more info: http://blogs.msdn.com/b/somasegar/archive/2012/08/01/visual-studio-2012-and-net-4-5-complete.aspx
For MSDN Subscribers, the bits will be available for download on August 15th

Denis has been working with SQL Server since version 6.5. Although he worked as an ASP/JSP/ColdFusion developer before the dot com bust, he has been working exclusively as a database developer/architect since 2002. In addition to English, Denis is also fluent in Croatian and Dutch, but he can curse in many other languages and dialects (just ask the SQL optimizer) He lives in Princeton, NJ with his wife and three kids.