Well, it's not going to apply for every game... It really depends on where the core crowd is, or is willing to go..... Then, also, it depends on development... It's really different for every game...
Tekken 6, for example, should have stayed PS exclusive... They held back the PS3 version while they made the 360 version... Making the game take a year longer to be released... In this year, Tekken ended up having more competition, and the graphics of Tekken 6 were outdated on both consoles when it was released... And, for what? An extra million sales?
It would have done much better being released a year earlier on the PS3, with much more appreciated details, and not as much competition around...
Then, there's other games... like... Call of Duty, which shouldn't be on a single platform. If the audience is there (and worth it) it should be multiplatform... Otherwise, if the auidence isn't there, then, remind me who you're making the game for again?
And, then, the thing about games like Final Fantasy, you can simply store more on a single disc for PS3. If you can't release the game on the system because of disc space, then, you have something to think about...
And then, finally, it's the exclusives as a whole. The more exclusives there are to help the brand, the better.
