Do the ghost/artic Evo 3G yellow? What cons and the pros of each colors?

[jyang]

Does the artic or the ghsot of iSkin Evo (3rd gen) yellow? Is it easy to wash it off? What color is the the one with the least yellowing? what are the cons and the pros for the colorsWhat is the least-hassle-required Evo? thanks alot.