I would advise everyone with a good videocard to adjust your windows AA & AF.
Actually I would love to see it in the readme to improve graphics. I couldn't live without it also. So much nicer for the eyes.
You really need to try and adjust the slider to what your CPU and GPU can handle to get the best possible graphics without to much drop in fps.

I use 8x AA & 16x AF - 1440x900 - 60-70fps