As the title says, the new version of Windows Server for small businesses was released to manufacturing today, which means that volume licensing customers will be able to download and use this version in the coming days. We will probably aslo see servers bundled with this OS by Christmas this year.
The announcement was made here – http://blogs.technet.com/b/sbs/archive/2012/10/09/windows-server-2012-essentials-released-to-manufacturing-available-for-evaluation-today.aspx
I have blogged some of the higlights earlier, based on the beta release
Some minor changes have happened since, and will be address in some upcoming blog posts.