The Endorphin.es Shuttle takes some of the range modules on offer from Endorphin.es and turns it into a full system.
The idea is to have a small but very flexible self contained modular system, giving you multiple different ways of using the system. on first glance you have a two voice mono synth with dual envelopes and effects and routing, however the Shuttle can be made to run in a range of different ways.
More info at Endorphin.es
Developments for Korg's instrument have been slow but promising.
The Avila Brothers talk about their journey to the recent Super Bowl Halftime Show