I actually like what Chaobo's getting at. A special set of statas/cosmetics unique to the special and rare weapon/armor. It makes it possible to have the same stats with different effects, so that everyone can hunt and search for that special combination that makes them the most happy.
Granted, it may cause a severe headache grinding for rares like that all the time, but that's half of any game after a certain point anyway :P
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