Love this. Finally a DCS set that isn't a re-tread. I'm in!
Could you possibly add a 1.75u Enter or a 1.75u R3 Novelty?
Prime-E, JD40, JD45, AMJ40, SP40, The40, BM43a, Daisy, Pheonix45, Nightmare, Neko, UD40, Chicory, Mechmini, and more - almost all non-Minivan 40s use 1.75 enter.