this. it's pretty much half and half which ones will work, and for most of the games that do work, the graphics get really sketchy looking on ps3 because the rendering process uses a different shape.
"Be formless... shapeless, like water. If you put water into a cup, it becomes the cup. You put water into a bottle; it becomes the bottle. You put it into a teapot; it becomes the teapot. Water can flow, and it can crash. Be water, my friend..."