DirectX 10 not only means faster hardware and more sophisticated shaders, but a more flexible and generalized pipeline which allows us to use the high-end DX9 artwork as a basis for creating even better graphics for the DX10. We have particle systems that live and operate entirely on the GPU. They spawn off of the actual mesh geometry. We have volumetric fluid smoke that responds to objects that pass through it. We have fancy soft shadows that get softer with distance from the caster.