Ah yes, finally we have a winner
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Thanks for that mate, I'd been concentrating on mostly cosmetic differences. I don't think I was helped by the fact that when I was looking through sites like Bikepics, there's a couple of people there who think they have 84 models when they actually have 85's given that they have bikes with KIPS. But when I looked at all the pictures the vast majority don't have KIPS.
Thanks again, and unfortunately the bike I'm looking at is definately an 85. The search continues.