331 are also doing great for me so far in BF4 and I am sure things will only get better.
I will try BF3 as well with those drivers. I remember over at Nvidia forums, the mods were telling that after the last WHQL (327) there will be lots of improvements for all Battlefield games. So far so good.
Also guys I decided to remove the min FPS from the chart to make it as simple and easy looking as possible. However starting now, my future tests will have the below chart when clicked on the avg fps