Hi,
What I've seen:
- the touchscreen is more responsive, when scrolling through songs it scrolls better. And even that accidentally playing the song when scrolling hasn't happened.
- this firmware supports can-bus integration with VW & Ford see the following link: http://www.pioneer.eu/eur/extra/25-111/241/car/vehicle-bus-display-support.html
- installing more POI's shouldn't work I guess, because it still has the limited memory
- Bluetooth compatibility is improved, still people can't hear me properly with my Android Samsung Galaxy S2 (I guess this is an Android issue, my Nokia's