Wow, I wish you the best of luck and really encourage you to push these 'less mainstream' brands. Obviously competition is great for the consumer, and because the mainstream brands don't seem to really have a lot of competition (I speak mostly for North America as I'm not too familiar with Europe et. al.) I think they can tend to become complacent. If GEM, Wersi, Ketron, etc. can really getting their feet in the door, I think it will really benefit the keyboard industry (specifically arrangers which are few and far between here). Good luck!
-Jon

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-For the Glory of His Name