powder coating on fn2r stock rims, how much?

[SaiHayashi]

Guys im so excited and just cant wait to see my fn2,
and i been thinking abt powder coating the stock rims, to look better and unique of coz. =D

So how much whould i be looking at in total?
How long does it take to do?
Durability? general life span?
Colours available? (if yes ur suggestions to fit on black FN2?)
any good place to do it?

thanks in advance