Stubing, try this old trick with your Dll's. It usually gives a 10% boost to NV users...
Back up you existing dll's. Make a copy of il2_corep4.dll and rename it, il2_core.dll. Then put it in your 1946 folder, overwriting the original il2_core.dll. You should get a smoother performance and about an extra 10fps for good measure.
