Square Enix hasn't decided whether the West will be given a Final Fantasy XIII demo, but if is then the content will be very different to the Japanese sampler.
"If we were to provide the demo overseas, it would be a completely new version," said producer Yoshinori Kitase, according to Joystiq. That demo would presumably be offered on Xbox 360 too.
And that Xbox 360 version of the game, Kitase went on to say, will probably span three DVDs.
"This isn't the final count yet, but we're aiming for about three discs," he said.
FFXIII will follow in the footsteps of Mistwalker JRPGS Blue Dragon and Lost Odyssey, which were both split onto multiple DVDs - three and four, respectively.
Final Fantasy XIII will launch next spring simultaneously on PS3 and Xbox 360. North America will go first, but Square Enix promises Europe will not be far behind.