So this looks like an updated kinesis advantage 2 - added bluetooth, more ergonomy options. Kinesis advantage 2 helped me deal with carpal tunnel syndrome and

So this looks like an updated kinesis advantage 2 - added bluetooth, more ergonomy options. Kinesis advantage 2 helped me deal with carpal tunnel syndrome and forced to learn 10 finger typing, among other things. As someone interacting with the pc for 8+ hours, this is easily the most impactful 450 Eur I've ever spent.