Weird... could have sworn I remember you telling me that a flimsy plastic keybed like the S910's was no impediment to you being able to play with dynamics and control, and was, in fact, your preferred keybed for playing any sound on...!

And yet, the amazingly dynamic and semi-weighted G70 action is apparently completely incapable of being used for a piano sound...

So, which is it?

Once again, you want it both ways.

There's a reason they don't make fully weighted 61's... Any pianist will tell you that the NUMBER of keys is far more important than their weight.