Star Ocean 4(Possibly Exclusive), Last Remnant Releasing On XBOX 360 First.

Star Ocean 4 is touted for XBOX 360, though I think it will still release on PS3 in Japan only. Last Remnant is coming out of XBOX 360 first. XBOX 360 is the RPG game console.

http://xbox360.ign.com/articles/880/880434p1.html

http://xbox360.ign.com/articles/880/880435p1.html