I don't really see them doing it. They clearly have the tools to do it and there are probably enough people that would buy the game, it's just to the point where I think the people are Square Enix believe and this is my personal belief

"You don't mess with the classics"

The second you touch a classic, you either ruin it or make it better, if they ever re-did ff7 I don't know what way it'll go, but I don't think a ps3 remake will happen anytime soon.