Kinda was hoping someone would mention the old Technique Impossible kits. They were supposed to be really impressive.
Hard to find any info on them; I only ever found a partial blog of a guy working on Unit 03. He never finished it, sadly. Blog can be found here:
https://topographicoceans.wordpress.com/2016/11/17/kotobukiya-technique-impossible-eva-03-part-5-further-construction/#more-138