Tootler, I think you could do far worse than one of the Morse
concertinas made by the Button Box. Yes, they use 'accordion reed'
technology (but not in blocks like an accordion would have them,
rather in a reed pan but with no 'partitions' so there is still a
'sounding board' effect from the reed pan). To most ears they don't sound accordionish, and the action is quite acceptable, and they are
light as a feather. Good looking, too. The price is very reasonable,
a pittance compared to a restored antique instrument of similar
quality.

Your wait time probably ranges from 'little' to 'none.'