"The company promises "double the performance and dramatically reduce[d] game loading times."
According to the company, the R310 driver was developed in collaboration with game developers over the course of "almost a year" and "showcase the enormous potential of the world's biggest open-source operating system." Nvidia said that the driver was "thoroughly" tested with Valve's Steam for Linux.
The press release published to support the release of the driver has plenty of calming words for the Linux community, which has grown increasingly unhappy with Nvidia's tight grip on its Linux drivers. It is unlikely that Linux enthusiasts will change their mind simply because of the release of an improved driver, but those who use Linux for gaming would be silly not to take advantage of the driver."http://www.tomshardware.com/news/nvidia-linux-geforce-driver,19008.html
steam, being closed source could be bad for linux but it will bring some benefits