Originally Posted by Ego
It's not "possibly", they have confirmed back in February that backwards compatibility will be handled via Gaikai streaming for all previous Playstation consoles, including the PS3.
I'm not quite sure how that will work for physical games you already own though. Maybe they check the disk and unlock the game in your library ?
In other news, in the midst of all this DRM talk, I'm glad they didn't forget they're also in charge of making wacky commercials:
Haha, couple Diablo 3 references in there at the end (witch doctor and Diablo).
At the moment, my plans are for a PS4 only.