Edit: Which really translate roughly to just lowering the saturation of all colors except green/cyan by 25%.
Surprisingly the lighting's dynamic range and brightness are almost completely identical to start with.
To my lousy color eye it looks damn close.
Ok in the meantime here is a zip file of the shots: M3's Oracle, M1 Original, and M1 filtered.
Apologies for the method, I'll try to get the pictures posted asap.
http://rapidshare.de/files/15625596/Oracle.zip.html