Nvidia has released the Beta Forceware 185.81 driver for Windows XP, Vista and Windows 7 Beta. These drivers are for the GeForce 6, 7, 8, 9, 100 and 200 series and contain various bug fixes, improve GPU acceleration on some cards, and performance increases over the 182 Forceware series. The package also contains the 9.09.0203 PhysX drivers.