You've hit the nail on the head Sebastian. The gold issues were pressed up decades after the originals, purely to satisfy demand from northern collectors, exactly the same as any other re-issue, legit or otherwise. Totally different from local/national releases on different labels at the time when the records originally came out or even on 2 different local labels (e.g Al Willimas). If people are bonkers enough to pay £75 for a re-issue then fine and good luck to you, play it at home and enjoy it, but however you dress them up, they're reissues made purely for UK demand and should not be played out, otherwise there's no difference in anyone buying a bunch of Grapevine/Sevens etc singles and playing them out as originals (unless of course the night is advertised as non-originals/CDs - fair enough if that's made clear). Green copies for soul nights and gold copies for home, end of. For me the whole scene and what attracted me to it (as well as obviously what's in the groove and the people) was about originals and tracking down those elusive original 45s and the buzz you get when you did. Not buying a record especially pressed up for UK demand. I buy CDs for that, but wouldn't dream of playing them out. Without this in my opinion the scene loses its mystique and draw. As Rod says, keep your cash and get some cheapie originals.
Rich