It does make sense for Priests. I don’t think I personally want more purple eyes. But void elves should get more eyes for voidy stuff. As far as green eyes, Fenelon is way ahead of this:
Take a peak at their thread here
Maybe they need more class related eyes like DKs get. DKs too need more eye options. I could see green emitting eyes for Warlocks. I want some kind of red eyes for Warrior rage.