It will play HD films up to 1080p and even 3D ones at full resolution.
All the social networks will be integrated (much like Sense UI from HTC).
It'll sync calendar with Google and your own SyncML Server (they'll provide one that's open source).
Pr1.3 major achievement will be it's open sourceness.. EVERYTHING will be open (only the GSM module can't be totally open).
It'll fix GPS fix without network.

Full PIM suite and Full Office suite (OpenOffice adapted to small screen) either as viewer but also able to edit files on the go.

It'll be resolution independent and Qt will be fully supported.
Full portrait mode, updated Kernel (2.6.34) and of course much snappier than now.

It'll be released 3 months after PR1.2.

Aniello