Some people did some great work in trying to do TOS-R shots their own way, but naturally CBS favored their (IMO inferior) in-house work instead. But it's their investment, if they want to keep their already-contracted graphics houses busy, they'll do it their way.
And *I* like the FC designs. I'd love to see them re-done for the DS9 scenes, while they lose the Mirandas, keep a token Excelsior or two in the background, and beef up the presence of the Nebula. And sure, if they have the time, give us the New Orleans or something relatively easy to CG.