Comparison of proprietary NVIDIA driver with NOVEAU open-source fan-based driver
June 2010 : Noveau gives some performance, but nvidia driver is 5-times better.
http://www.phoronix.com/scan.php?page=article&item=nouveau_gallium3d_june10&num=3

A lot info about how Nvidia GTX 460 works on Linux:
http://www.phoronix.com/scan.php?page=article&item=nvidia_geforce_gtx460&num=5

Solution for issue with installing nvidia 331 driver – conflict of packages:
http://askubuntu.com/questions/449507/nvidia-libopencl1-331-has-to-be-removed-before-installing-wine

How to install newer driver (340) than in repos (331):
http://linuxg.net/how-to-install-the-nvidia-340-24-driver-on-ubuntu-14-04-ubuntu-13-10-ubuntu-12-04-and-derivative-systems/
http://linuxg.net/how-to-install-the-nvidia-343-13-beta-on-ubuntu-14-04-and-derivative-systems/
(I’m installing 346)