Thought you Lunar guys might be interested in Retinex Image Processing.
Some samples here
http://dragon.larc.nasa.gov/retinex/Lunar_Orbiter/
I put a before and after below from a Lunar Orbiter. They look almost as good as Bird's images.
And you can get the software here. There is a free trial available.
http://www.truview.com/
Bert