Upgraded Smart Play Tie Advanced x1 (75421 MOD)

I know the Smart Play sets are a lightning rod. Not trying to advocate for them, they have their obvious, well discussed flaws. Posted some renders of a WIP of this a few weeks ago and finally completed the actual build. I collect TIE variants and ended up buying the Smart Play Tie Advanced (75421). I liked some of the build techniques (particularly the rounded bricks for the edges of the wings) and wondered if it could be a platform for a decent TIE Advanced. The aim of this MOD wasn't to...