Driver versions

* Nvidia GeForce 181.20 (GTX 295) Nvidia GeForce 181.20 (GTX 295)
* Nvidia GeForce 180.48 Nvidia GeForce 180.48
* ATi Catalyst 9.x 8.561.3 Beta (4870 X2) ATi Catalyst 9.x 8.561.3 Beta (4870 X2)
* ATi Catalyst 8.11 ATi Catalyst 8:11

Aww... I wanted to see the difference on the 4870 too, and why not use the 8:12 ?