Firstly: I think that video card is too old for 3D.
Second: I don't know any details about the PS3 3D display but I'm assuming that it's 120hz?
You will need to buy the NVIDIA 3d kit as the PS3 glasses will definitely not work with your PC.
Firstly: you are probably right
secondly: I did not know that thank you. Let me chck something and i will brb.