i perfectly understand about the nose.
i also perfectly understand about monitor differences and i remind folks from time to time to go walk into one of those big appliance stores and look at the rows of televisions all displaying the same channel and pick out the ONE tv that is 'right' out of the bunch.
and again, i do understand about clients and client wishes superceding our own. my observations here shld always be taken as subservient to what the client is asking for. when you're your own client, then you can make the choices that are right for you. i've found that actual perception differs person to person and that it's not always a matter of subjective taste; it's often a matter of personal perception. so, if the client wants 'green' and points to what you see as 'blue', then 'green' it is. and digital has only complicated this matter further; e.g. our monitor differences.