Which is cheaper, powder coating or anodizing?

Where can I get the supplies I need to do which ever.Which is cheaper, powder coating or anodizing?
Power Coating:


http://en.wikipedia.org/wiki/Powder_coat鈥?/a>


http://www.pcfpowder.com/





Anodizing:


http://en.wikipedia.org/wiki/Anodising


http://www.warpig.com/paintball/technica鈥?/a>Which is cheaper, powder coating or anodizing?
unless you are quite wealthy, you can't afford all of the equipment you would need