You know, minor sharpening artefacts aside, that looks okay to me. Maybe my work monitor.
You've used 500/0.2/0 haven't you? Some moire / artefacting is impossible to avoid. You can tell I've not uploaded shots like this in a while.
[Edited 2006-02-22 16:22:27]
It takes a big man to admit they are wrong, and I am not a big man.