Anyone who says the S76 has no power hasn't flown the newer models. The A++ has plenty of power, and the first limit at altitude is usually Vne. The C++ has lots of power and all the bells and whistles, but I'm still waiting for the S76D. Might be a long wait, because
AFAIK the engines haven't even been built yet. If they perform as advertised, though, it should be a very nice machine.