Coloring a Robot

[Ben.V.293]

This is the first year my team has actually found the time to color some parts and i was wondering what methods teams have used in the past and how well they worked. I'd also like to know how hard some things are and how expensive they can be. I hear paint chips and scatches easily and that powder coating can be heavy. We're pretty much interested in coloring our frame and some of the sub compenents, all of which are alluminum. Would anodizing work well? Any pictures would be great.

Thanks,
Ben Van Selous