http://games.kikizo.com/features/sega_am2_interview_sept07_p1.asp
Kikizo: Actually some MMO developers are now authorised to use the HDD for game data... but I guess this is not an MMO. So, would you now also consider upgrading the PS3 version, with Version C improvements and items, or online play? You could maybe do this via the PlayStation Network?
Murayama: Frankly, we have no plan to update the PS3 version like that, for online versus mode or Version C.