GrahamK
As far as I know passengers are carried inside, not on the roof or wings, so being wider or taller makes no difference to the passenger experience except if the have to evacuate !!!
My comments were intended to be tongue in cheek, but most passenger would not be aware of whether they were sat in(on) a CL or NG I was simply saying that announcing that you are putting bigger aircraft on a route to most passengers that they would expect a larger aircraft not a LWB version.
They never say it's a smaller aircraft if the switch to a 300
The 757 is a completely different aircraft to the 737 and would be seen to bigger, but yes 3/3 seating just the same, let's move on.