Yes, the long-awaited version that everyone has been calling NAV “7” now has an official name: “Microsoft Dynamics NAV 2013.”
The planned release date is set for Q4 of 2012, but a Beta version is expected to be available this May. Among other highlights, NAV 2013 will be the first Dynamics ERP solution that is cloud-enabled for Windows Azure.
Follow the link to the official MSDN NAV blog to learn more: http://blogs.msdn.com/b/nav/archive/2012/03/20/convergence-2012-nav-daily-update-introducing-microsoft-dynamics-nav-2013.aspx
Along the same lines, the next release of GP will also be called Microsoft Dynamics GP 2013.