Mid Blue has evolved into a purple-ish blue, then in 2004-5 there was the whole color bleed into the binding saga (and guitars still covered by the one-year warranty were refinished by the factory), after which RIC went back to the original formula - metallic version of the old VW blue. The metallic particles also got smaller IIRC and the effect was less pronounced. But not long after that, Mid Blue started to shift again slowly towards purple.