Other than the following what do you recommend??
[ul] [li]Full screen mode: On (unless you prefer RetroArch running in a window, of course)[/li][li]Full screen windowed mode: Off (decreases input lag)[/li][li]VSync: On[/li][li]Hard GPU Sync: On (this helps decrease input lag)[/li][li]Bilinear filtering: Off[/li][/ul]