A new driver from NVIDIA was just released, it's as beta though. The drivers have some very cool new options for PhysX, and multi-monitor GPU gaming. Obviously this driver has new Far Cry 2 optimizations harbored in them as well.
Beta driver for GeForce 200-series, 9-series, and 8800-series desktop GPUs.
Recommended for the best experience on Far Cry 2:
Since we first began working on Far Cry 2 in early 2005, we have used GeForce GPUs to develop the game and worked closely with NVIDIAs excellent engineers. While Far Cry 2 represents an outstanding PC gaming experience for a wide range of systems, GeForce users can expect to enjoy the game quite literally The Way It Was Meant To Be Played. - Louis-Pierre Pharand, Ubisoft, Far Cry 2 Producer
Enables NVIDIA SLI technology on SLI-certified Intel X58-based motherboards with the following GPUs: GeForce GTX 280, GeForce GTX 260, GeForce 9800 GX2, GeForce 9800 GTX+, and GeForce 9800 GTX.
We have a discussion thread open on these drives right here.
Far Cry 2 Performance review with this driver: Guru3D.com took all modern GeForce and Radeon graphics cards, seek a nice image quality setting and report back to you what you can expect performance and quality wise from this bitching title.
Eighteen graphics cards versus 4 resolutions versus 3 runs per resolution. Yeah, that's 216 benchmark runs ...
You can check out (and you really should) this article right here. And then run off to the stores of course.