This has just been announced.
The new version of Windows Embedded Compact/CE.

- Visual Studio 2012 with Update 2 (Professional and above versions)
- Blend for Visual Studio (Part of VS install)
- App Builder (Required before Platform Builder) .. Free: Available NOW as download also in PB 2013 install package (ISO or DVD)
- Windows Embedded Compact 2013 Platform Builder: Free for Visual Studio users (Professional and above)