Since noone posted in a while, here are some new Dirge of Cerberus screens. http://www.the-magicbox.com/0411/game041103b.shtml It was also revealed that DoC will not be completely first-person. The game is from a third-person view. The first-person is for rifles.
I was looking at Dirge of Cerberus screens. and I found this. http://www.ff7dc.net/oct_scans/2.jpg There's an image of Bahamut. It's even clearer and you can see the colors of its wings.