The new drivers included several bug fixes and performance improvements for Battlefield 3:
o Fixes cases of irregular performance (stuttering) primarily seen on DirectX 10 GPUs. The fix improves the performance of both DX10 and DX11 GPUs.
o Fixes shadow map corruption seen with DirectX 10 GPUs.
o Fixes cases of black corruption lines/triangles with DirectX 10 GPUs.
o Fixes black screen during playback using Windows Media Center.
These new drivers can be downloaded from http://www.geforce.com/Drivers/Beta.