I picked that kit up a couple of months ago, so I'll be "borrowing" some of your ideas at some point
I do see a lot of gothic builds made from that kit. Does it lean heavily that way, or are more "hard sf" type structures possible?
They build Tau-style stations nicely, and I guess you could get that "cathedral" look for Imperial structures with some work and the right paint scheme. Maybe append some 6mm Epic infantry as statuary?
For hard-ish scifi "spinner" stations aren't hard although they tend to be parts hogs, and it's really easy to build things with no apparent single plane of gravity if you want an "accreted module" design. Main limiter is leaving a spot to attach a flight post of some kind that's close to your actual center of gravity.