QUOTE
The Xbox 360 operating system shares enough similarities with Windows, he said, so that porting the Windows version of FFXI to the 360 was a fairly quick task. A PS3 version of FFXI, on the other hand, would require redeveloping the game almost from scratch, a process that Tanaka estimated would take two or three years.
http://videogames.yahoo.com/newsarticle?eid=452561&page=0
