The NVidiaInspector adjustment:
Antialiasing: "Enhance Application", in my case improves a little bit, Antialiasing setting: 2x is great improvement runway lines OK (shadows excluded) runway lines OK, but generates a light square shadow on the left windshield of the Cherokee, and after take off there are like reflections on trees ad buildings and a gigantic shadow of the plane, not artifacts, very annoying. Same for the Cub
Intel i7@ 2.8 GHz
GTX660
8Gb memory
2x1Tb HDD
Other sims run well, with adjustments in accordance with the PC