Looks like a good start! I'd personally add an analogue oscillator and a wavefolder, maybe an STO or a Dixie II+ and a Joranalogue Fold 6... also FX Aid is pretty flexible and might be worth considering over an ECHOZ. Last thought, ALM's HPO is 2HP vs Pico being 3HP here and about the same price.
-- troux

Nice will look into the FX Aid