That seems very expensive mate. There are places here in the north west (proclean alloys for example) who will repair and repaint your wheels for £35 each including vat! And if you don't mind spending £50 ish per wheel, check out the finishes these guys offer!!
http://www.lap-tab.co.uk/alloywheels.php?adw
They do loads of cool effects including Black Chrome, High Power Silver, Smoked Chrome etc!!
