Well with my friends at least

Couldn't get a color cast out of the D80 a buddy was using, handed him a K20D, set it up, adjusted the color temp (in K) with a touch of warming) and BOOM right on for color. Nothing we tried could get it to not have a color cast without major PS work.
Similar thing happened with his D2x and a D300... Doesn’t help either that they can’t figure out their cameras and I have a whopping 5 min to try and figure it out for them.

Anyhow the K20D performed flawlessly and they were impressed how well it did, and how easy it was to set the WB and tweak it.
+1 Pentax
Of course they said it was because my equipment is calibrated to Pentax... nope sorry using "Box" profiles for printers and a Spyder to calibrate the monitor.