That must've been really frustrating, were you using a colorimeter, or some other method? (I've never done a colour calibration, but looked through the settings in Windows, which seem very limited). I'm disappointed to hear the Wacom pens don't work, even with the Wacom MSP drivers installed, you have to assume it's deliberate, but what a shame the two companies couldn't have worked something out. It'd be so nice to choose the pen from the Wacom range that best suits your workflow. I can't abide by the colour on this display, so I guess I'm just going to have to send it back, get the DreamColour option & take the hit on battery life!