I think this is more a case of opinions being blown out of proportion rather than actual graphical differences....i remember the same was said about Assassin Creed and various other multiplats and they all looked the same to me.
On a big ass 42in HDTV all games look tremendous no matter what hardware they are running on.
On a big ass 42in HDTV all games look tremendous no matter what hardware they are running on.
