I'm getting a new system and the only thing i'm yet to decide on is a graphics card. I'm on a budget and can't afford anything better than the 560 (non ti). I prefer NVIDIA because of the PHYSX technology that looks awesome in games like Batman Arkham City. I want to max out (or close to max) games on a 1600x900 resolution monitor (can't afford HD). So, should i get the 560 or settle for a 460 or 550 ti? and which version (brand) should i get?