This article shows, unless I read wrong, that the 9500 GT can be run as a physx card, and be used to increase the frame rates dramatically when paired witha 9800 GTX with a PhysX game.
Check it out: (keep in mind I'm exhausted, I haven't slept in 34 hours because my damn cold (throat kills))
http://www.driverheaven.net/reviews.php?reviewid=633&pageid=10
Check it out: (keep in mind I'm exhausted, I haven't slept in 34 hours because my damn cold (throat kills))
http://www.driverheaven.net/reviews.php?reviewid=633&pageid=10