Jordan rudes has been playing something comparable but more advanced fot years now, its called the continuum..

They should improve the things players allready know instead of going all the way... Keys with a touchsensitive layer might be the next step in giving keyboarders more controll, but the with barely anyone using breathcontrollers, expression pedals, knobs, ribbon controllers and such..... I highly doubt most keyboardplayers want or need more controll over their sound