Quote Originally Posted by JKTrix View Post
You will in fact be able to stick a PS1/2 disc in the PS3 and play it just fine.... but there's no memory card slot. That may or may not make the game 'unplayable' depending on your POV.
You can create a "Virtual" memory card, in order to make PS1/PS2 game saves on a PS3. So the fact that there's no memory card slot isn't a problem.