And VS/PS 2.0 extended is part of DX9. If this is supposed to be a DX9 benchmark, where are the VS/PS 2.0 extended tests?
From what I've read about the performance characteristics of the R300 (specifically, that it's faster running PS 1.4-level shaders than PS 2.0-level), the choices that Futuremark made to "optimize for the API" seem to conspicuously look like they optimized for the R300. Whether this is intentional or not is of little consequence. Any decisions made will always favor one architecture over another, so it is better to just attempt to optimize for all architectures.
"Physics is like sex. Sure, it may give some practical results, but that's not why we do it." - Richard P. Feynman