you can hear that the sound engine of Wersi is out-dated , if its using Vst samples it would be much better , but it need than a real big and expensive computer to get that, it is made for the organ sounds and for the "older" users who can afford such a expensive instrument
i think the market for the big expensive organs is gone , the younger people all want to be a succesfull DJ , turning knobs while playing a Mp3 and strech youre arm to call out loud that you are a musician

I,