OK, here's a pic with Rubini settings:
It's got the same thing going on with the wires as Elder Pirate's pics. I think it has something to do with the screen dump routine because I don't notice it in the game. Here's the settings:
And a final screenie using Rubini settings with a nice escort going down
So my final analysis is that my graphics are not visibly better but my frame rate went from 25 to 35. It was a fine result!