... and removing the bulge on the lower front of the saucer might help a lot with the flow...
I've actually been toying with that idea. There's something to the idea of having the underside of the saucer as flat as possible. What does stick out visibly underneath can be angular, as opposed to curvy stuff everywhere else.
There's another good reason to get rid of the bulge: it's an obstacle to the shuttle bay flight path.
When Adam's Enterprise F came to be, I went nuts over it, as well as the final design. But it seemed to me that the space between the the necks is under-utilized. It seems to me to be the perfect place to stick a shuttle bay.
Andy Probert has been monkeying with the same idea: