MapPoint 2013 is being released during the summer 2013.
A 14-day trial version is now available for download from Microsoft at Download: MapPoint NA 2013 Trial - Microsoft Download Center
Ordering information -- Buy/Order MapPoint 2013
Installation Walkthrough -- MapPoint 2013 Installation Walkthrough
The main new items from the official Product Features listing and product description are --
We will be publishing a deeper dive into differences between MapPoint 2011 and MapPoint 2013 soon.• New – Updated maps of the United States and Canada, new look and 2.5M points of interest
• New – Hotel and restaurant reviews and ratings
See MapPoint 2013 screenshots below.