I believe that bluing and stainless don't play so well together: I seem to recall reading that somewhere on here.
Otherwise, rather than the brushed finish, how about a finer frosted finish (sand-blasting?) with, as you say, polished trigger, hammer and perhaps the grooves of the flutes if it has any or a pair of polished rings as described in your OP: one thicker than the other.
BTW, if you attached a picture I didn't see it in the last post.
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