I've gone with "not bothered either way" because ...well, in principle, it doesn't bother me if the site is not redeveloped but if it was then that would be OK too. I would be happy to see the college site supermarket development shelved and if that if effected by development of Chadwick St site then I'd see it as the lesser of two evils with shoppers kept slap bang in the centre of Marple and a bit of competition for/variation from Co-op.
However overall, having lived in Marple, out of choice, for 10 years, I've never hankered after another supermarket here! A shoe shop or clothes shop maybe.....