Nvidia released a new set of drivers today...technically it's the Game Ready drivers for Evolve but it also contains a lot of nice optimizations across the board...seems like Nvidia is touting these as the best drivers for the 900 series...
http://www.geforce.com/whats-new/articles/geforce-347-52-whql-driver-released
http://www.geforce.com/whats-new/articles/geforce-347-52-whql-driver-released