asyulm, go look at how sternbachs miranda like concept was drawn. I know the sec hull isn't shown but the tail of it is and one could infer the basic shape. I think the tng dude had the right idea, due to the fact was saw miradna in tng, this would be after tng, so there's no reason why this ship couldn't had a smaller, more angled sec hull with a sov deflector. You might also consider different nacelles, not sure how more traditional tng nacelles would look next to a sovish hull.
Edit: What is the proper scale for the gagarn?