hello,
Just watched (listened actually) that video.
Of course, listening blindly, it's impossible to tell which is Genos and which is S950..one of these two could also be S670. But it's not the point in that.. More important is, how much is difference noticeable. And to my opinion, it's quite big -even such music genre (orchestral jazz) isn't the best for comparison.
Example at 3min25sec and 3min50sec: trumpets (or whatever brass that is) sound very different to me. And then the example just after that: no comparison between these two harmonicas (called harp in US, I think) -on first sample (it's Genos you said) it sounds MUCH better in my ears.
I don't say these converted styles are not usable.. I just think there's still space for improvement. I can say that now, after I also heard original -without that, I just wouldn't know

Thank you for sharing that comparison.. is extremely informative!
Bogdan