If it were me (but it's not it's you
), I would keep them as is or go with a gun metal grey, or perhaps a bronze.
Black is
so overdone in my opinion, the other choices you have while cool, seem a bit over the top for the street.
on a side note, I recall a discussion somewhere else not long ago about the potential hazard of powder coating a finished wheel, someone speculated that the heat needed in the powder coating process could compromise the structure of the metal, does anyone thin there is any truth to that?