After an hour of tutorial (from a studio 900 of the same brand) can not but welcome the high quality keyboard that offers good resistance (harder than a studio 900). The basic setting for piano touch me now filled so that there exists a "learn-play that creates its own velocity curves playing. It really is incredibly lightweight and can be worn under the shoulder in a bag. The missing mass is one problem, though we hear some noise box springs and static when you play volume normal.c 'was predictable but despite this, the unit generates a feeling of robustness. The gray plastic computer ends are very ugly but almost only, otherwise the look is right and lay-outs more discreet than in previous series. For 700 €, that an investment must for pianists looking for a set-up that does not break your back ...