I notice a lot of people have been opting for 47/48, but I'm wondering if that is the cause of some periodic colour errors I've noticed on gradients with that setting. I suspect with some of these controls they really only work properly at their default values and there is some sort of miscalculation if set otherwise.
Also, may I ask: is it to be expected that large-ish changes to the 10 pt gamma controls can cause readily perceptible colour shifts and contouring? If I move the gamma/60 control ten clicks either way, say, I can introduce green or magenta tinting in some areas of people's faces. I'm wondering if that is a necessary consequence or an implementation quirk.