Compare 3DMark11 Performance results from this link:
http://www.tomshardware.com/reviews/workstation-graphics-card-gaming,3425-2.html
With result from this link (this is D500 with non-bootcamp drivers)
http://www.3dmark.com/3dm11/7809164
If you dig various 3DMark results on different benchmarks you find more of those results with recent date. There are also results of First Strike using only one D500 and also two D500s and with various different drivers.
http://www.tomshardware.com/reviews/workstation-graphics-card-gaming,3425-2.html
With result from this link (this is D500 with non-bootcamp drivers)
http://www.3dmark.com/3dm11/7809164
If you dig various 3DMark results on different benchmarks you find more of those results with recent date. There are also results of First Strike using only one D500 and also two D500s and with various different drivers.