Dick:"However the 48 key EC, IS A SMALL LIGHT INSTRUMENT that does not demand the player to be a charles atlas to play it".

Of course! and that likely is one significant reason that some of us so much appreciate (small) concertinas to (large) accordions. The more
impressive I think it is to notice the superb bellows control some proficient accordion performers manage compared to all too many concertina fans who are not aware of the potential of their instrument

I very much agree Alan, and it has been a belief of mine since long that the necessity of more frequent bellows reversals when playing the Anglo compared to the English is a major reason that rhytmmical, dynamic, "bouncy" and dancing-friendly musical results are more common among angloplayers than englishplayers.It simply comes more spontaneous.

I have to add however ( nagging to some readers I'm afraid...) that this difference also is much related to the different handles. By putting a similar (ergonomically functional) handle on both models the playing options would be more alike as well and then there is no obstacle playing the English with the same "lift" and "bounce".