Microsoft has just announced Office 2013 has earned its RTM badge from the Microsoft Engineering Team! See the official announcement here: http://blogs.office.com/b/office-news/archive/2012/10/11/office-reaches-rtm.aspx 

“Volume Licensing customers with Software Assurance will be able to download the Office 2013 applications as well as other Office products including SharePoint 2013, Lync 2013 and Exchange 2013 through the Volume Licensing Service Center mid-November. These products will be available on the Volume Licensing price list on December 1.”

Congratulations to Microsoft on the next phase of the evolution of the Office suite!