I played with the demo some time, participated in forums, posted a demo file to listen to history ...
The expression is excellent, you feel a fairly natural playing, as opposed to sampled pianos I've experienced (mostly artvista and banks free sample played with samplers).
It's also nice to load the piano in 2 seconds while a bank will take three samples of lead, also nice not to stumble on consumption processor / memory large banks of samples.

The only downside for me, the sound itself, which is still a chouilla digital (still better than a digital piano, I owned a yam p90) ... it feels more life to this level with the samples, and we are still far in all cases the printing game on a real piano sound in terms of rendering ...
I hope this will be improved over time, it is in any case this has stopped my desire to buy (besides the price a bit much for what I consider, therefore, I hope +++... a beta version that will grow).

Convenience Finally, I regret a preset bank richer, with the desire to emulate a number of very good piano, it's a plug in work before play, so I'm looking for also some immediacy, not a tool Programming ...