You already know my opinion bro
"An OEM+ look is highly sought after but seldom found"
Spacers and PC your current wheels black if you want, but personally I'd get the mirror and roof painted black as well if you are going the black wheels route.
Those 20" with lip I don't think would look too good powdercoated black, maybe put them on mom's whip before the sale and put her 87's on your F25? lol!