ESI have been making brightly coloured interfaces for years. They have a range of different solutions to suite almost every application. The nice thing about the ESI range is that you get exclusively physical inputs as opposed to ADAT inputs.
The ESI range also features two new MIDI interfaces that have some very interesting features for working with MIDI ins, outs and thrus...
More info at ESI
Developments for Korg's instrument have been slow but promising.
The Avila Brothers talk about their journey to the recent Super Bowl Halftime Show