Be also interesting to test the same model of machine owned by different users, to see the consistency across supposedly similar machines ...
We just moved 300 miles north, from London to County Durham, so everything a bit disorganised at the mo, but I am definitely interested in taking part in this - we have a pile of presses (Chinese, Jarin's, Insta's, Adkins, PressMech...) from badge press size up to the big Adkins which is somewhere between A2 and A1 size