Neat idea but I don't think you're quite there yet. The side view suffers a lot for not having the long lines of the nacelles to balance out the overall shape of the ship.
I agree it alters the symmetry from the norm. But... What if the rings were larger,
to create a new symmetry?
It'd pretty strongly resembled the symmetry of some science fiction vtol crafts.
It gives me a gorgeous mental image of this thing descending through an exotic atmosphere, to some super sexy looking coast on a clear green sea... With lots of scantily clad star trek vixens relaxing on the beach and oiling each other up while waiting for the USS Halot to arrive with the ice and romulan ales.