Hey all, wondered if anyone has any experience of using an Nvidia card (such as a 580 that is cheaply attainable) to solely run Physx in an ati system? Im basically an Arma nut and one of the very few regrets about my most recent purchase of a 7970 was the lack of Physx which will be in Arma3. I know not many games use Physx, but Metro 2033, Batman and Mafia would make it worthwhile for me. If anyone has any experience of this i'd like to hear it. Current system is an i5 3570K with a Gigabyte 7970 WF 3X.