I was there, it was pretty awesome
. They showed some artworks and screenshots first and then some actual gameplay, I think it was the world premiere.
Yoichi Wada was talking in japanese and the gamescom guy translated everything. They showed some gameplay as a high level dragoneer, the battlesystem looked different but great, some chocobo-riding, group-finding, the new shadow elements, shifting day and night cycles and a new form of limit break, called "group limit break" where they cast meteor when everyone from the group was ready. That was great
They also talked about the inclusion of summons and showed some artwork of them, pretty cool. At the end they announced a beta phase for winter 2012, so I hope it doesn't take too long anymore.
I'm so getting this for PS3, can't wait