you are asking about tweetersand locations. thats an imaging q more or less . imaging i spose can give an illusion of midbass but what it really boils down to is installation. use dynamat in your doors or under/in your kick panels and on the outer skin (inside your door) you should get pretty good results with anything your picking from. i say pretty good you gotta realize every system i have had used 8's as mid bass.
boston pros can be set up that way(at least they used to) image dynamics chameleans, ozold school drivers(they still sellem on line and the memphis i been showing u