2nd card still needed with 480 for Physx ?
I got double in fluidmark with the 480 going from a 280 and 8800gt for dedicated physx however batman is slower with Physx and I did get the new dll for Batman and the 480. I am going to put the 8800gt back in when I get home and rebench with all physx based benches I can find let you guys know.
Intel i7 2600k @ 4.8ghz 1.35v, 1.40v full load
Cooler Master Hyper 212
Gigabyte 580 @945/2232
4 Gigs Ripjaw @ 1600
Antec (a good one) 650w
A Partridge in a pear tree.