Looks like it could be an ammo clip... or a random chip

and there's also this interview where he basically confirms exclusivity again.

http://www.gametrailers.com/player/34196.html

Lab392

random chips that are shaped like every system mgs has been on?

and another random chip that looks exactly like the 360?

I lol'd :Pkillerfist

why?

Konami Drops MGS4 360 hint through poster.........

http://www.gametrailers.com/player/usermovies/220277.html?playlist=featured

around 0:48

interesting, im not gonna get it anyways. 90 min cutscenes and dull gameplay, no thanks. But fans of series who own 360s, enjoy it

http://www.gametrailers.com/player/usermovies/220277.html?playlist=featured

around 0:48

interesting, im not gonna get it anyways. 90 min cutscenes and dull gameplay, no thanks. But fans of series who own 360s, enjoy it