"I am always struck that those who like the single limit calculator for the latest Super Puma don't mention this vast shortfall on another EC product!"
Nothing as crude as having to look at an N1 gauge in the latest ECF products. In the 155, with the arrial 2 series, you just pull to the stop for the power rating selected. May not even be N1 limited, but who cares? The computation is done for you!
On the 225 it's even better; YOU don't pull at all, it does it for you. The AP will pull to 96% Nr with the 2 minute rating selected, then fly you at the automatically calculated Vtoss (it knows the weight and ambient conditions). Very civilised!
Say what you like about the French, but don't knock their innovative and clever MMI (Man Machine Interface) concepts. For us in the pointy end, they have got it right