Agenda item #1 for you: remove the Neutron from this build. If you look at the functions it provides in the space it takes up, you'll notice that it's a bad use of space vs functionality. Try keeping it in its own cab instead. The Roland Aira module can go too, unless you have one, as it's discontinued AND the Eurorack Airas are notorious for huge power inrush draws on power-up, which could spell trouble for your P/S.