It isn’t only the PlayStation 3 version of The Last Remnantgetting delayed.
Developer Steel Monkeys has said that their upcoming 2 Days to Vegas will see release on the Xbox 360 and PC first, with the PlayStation 3 version arriving at a later date.
That said, Steel Monkeys has still yet to release a final date for any platform.
2 Days To Vegas, Xbox360 and PC first, then PS3 [PS3Tournament]