It's not a straight up rebuttal, but apparently Sony corporate is singing a different tune than what we heard from a Sony rep on the floor of IFA (multiple times) the other day: that all existing PS3 games would be playable in 3D after the software update next year. According to Sony, it's "conducting a technological investigation" as to the possibility of this, but claims there's "no plan for the market launch of this at this time." It makes sense that many titles -- especially ones designed with widely divergent game engines -- would be incompatible with a simple software update, but details are slim on how Sony is adding this function to its own gam