I'm about to purchase a W/Y but hoped I could get some help from the community first, White and yellows have always made me scratch my head a bit. While some are clearly different and very unique, I see a lot for sale that honestly look pretty much like a normals even when on very reputable sites.. So my questions is this. What do you look for when buying a W/Y? There's obviously different degrees of expression? What are the clues that you have a W/Y?