Blue?? Keep in mind that spraying is crucial during the finishing process, especially with forged wheels. It might affect the durability and strength of the rim, so I wouldn't scratch my Volks. Better order them as blue with an extra charge
Your EK now looks as if it's going to be a show car, in general I don't like intense colors on cars, but as you said, is a matter of personal preference
As for blue being the new black and green the new bronze....heh...if i see that too....