Ability to copy/paste patterns.
Button combination to trigger hard reset.
Allow teletype to set/get Time for parameters. This would allow for rachet mode scripts etc.
At that point, the combination of ansible + teletype might yield the most advanced step sequencer on the planet. Even with a buy in of $1400(grids + mods), you're still cheaper than a cirklon which is arguably your only competition at that level of functionality.