The boxes really are designed for creating mainly techno electronic music. Short repeating layered loops. There kind of isn’t enough room for the buttons required to make the sequencer more sophisticated. Been saying for years I’d like Elektron to come out with their take on the MPC concept.
My solution for the whole kit thing on the Digis is this (and I’d prefer it to kits): It's unlikely that we'll ever get kits on the Dark Trio, but I had an idea