[Stephen]

Originally Posted by wolfie

In that case in must be down to monitor calibration.

I use Quick Gamma http://www.normankoren.com/makingfineprints1A.html

and Monitor Calibration Wizard

http://www.hex2bit.com/products/product_mcw.asp

I use a Colorvision Spyder2Pro on my monitor so am confident I am seeing things correctly.

Frankly its my opinion that the tweaks mentioned above are hardly necessary on Dons picture, apart from maybe a slight increase in contrast using Curves. To change the Gamma etc is not needed unless you want to create a more specific effect.