Right now, HF offers four colors of powder, in-house: Red, Yellow, Matte-black and White. That would be enough for basic items and then I'd consider adding a graphite powder and a silver powder if I could find a good supplier.
I'd also probably pick up toaster oven for baking the coating so that I could do it outside.
The gun is listed at $70 right now and the powder, $6 per bottle.
http://www.harborfreight.com/10-30-psi- ... 94244.html
