My gaze shall pierce...
No... FF started out Nintendo exclusive until... 4 or 5, I think. Besides, they had Crystal Chronicles for Gamecube, and they just did all those remakes. And they're making a sequel to Crystal Chronicles for Wii. No Sony exclusives there.
FF Versus XIII will also be the last Final Fantasy game for a while, possibly ever, since the developer's going to focus on Kingdom Hearts now.
...to the depths of your soul.