I want to get an idea of how cpu bound this game really is. Green(gpu) should be above yellow(cpu). This is mine with e8400 at 3.8ghz and 6950@6970. The graph is in ms/frame, ie time taken to render a frame. Spikes indicate unstable performance.
drop the console down and type Render.Perfoverlayvisible 1
drop the console down and type Render.Perfoverlayvisible 1