From somebody who has done both routes for wheels (powder coating and painting) I wouldnt pay the extra money for powdercoating. You can pick up generic spray paint at wal mart for $0.99 and if you prep the surface well enough you shouldnt have any worries of the paint peeling or chipping. Just my opinion. Now that I think about it it also depends on the wheels and their surface area and crevices though. If its a really flat wheel Id paint if plenty of crevices id powdercoat.