That is pretty nice. I don't suppose you know of any for calibrating the color balance? I can never seem to get the whites as "white" as I want them to be, and much like the gamma calibration, the windows monitor calibration tool leaves a lot to be desired here.
I've never been able to find any good methods for nailing this precisely. Every time I think I've nailed it I see something that looks too red, too green, or too blue, but never "white."