Interesting., from my entirely ignorant perspective . Clever trigger mechanism. The strum/sample trigger feels like the trickiest bit from the user POV, because you will tend to get a single combination of sounds. Making it programmable is possible, I guess, but that sounds like a can of worms to use live. For studio stuff it seems fine though? .
Could you put a guitar-chord sample on it? I don't see a reason to restrict yourself to drums