I am shortly going to be adding a GPU to my computer (gtx 580) and making my current card (gtx 260) into a physx card. First, since I'm still going to be using the original card do I need to uninstall the current drivers. Second does it matter which slots the 2 cards are installed in or can I just put the new card in an open slot. Any advice would be greatly appreciated and feel free to add any other tips you have since I'm pretty much a newbie to this stuff. Thanks in advance for any responses.