Microsoft Dynamics NAV2013 was push the limit of Dynamics ERP. This version of NAV released the most new functionalities ever. We will get the new NAV version Microsoft Dynamics NAV2013 (code name 'Sicily') very soon (2013Q4). For now we know there will be some excellent functionalities. The new release will introduce an update client interface with Windows 8 styling. It will feature an updated look and feel that can build in more charts and reports with streamlined drilldown. NAV2013R2 also promises more hosting platform support and better compatibility with Office 365...
I am not sure is this on next image realy new NAV Client UI, but this is something I see:
Currently, the real question is: "Is it time to switch to Microsoft Dynamics NAV ERP?" Here is an one great clip as answer: http://www.youtube.com/watch?v=UN2wWwL3kk0