Over the weekend I have purchased two more iPads, 4th and 5th (64GB black wifi)
5 th is the keeper. After so much hassle and dissapointment I am even nervous to say it but I think I found perfect 64GB iPad3 display. A M A Z I N G. I was about to settle for 4th iPad I got after testing in the store. I did see warmer hues but is was rather uniform. I was comparing side by side with store models. But as all of you mention, those stores are extremely bright and it is bit hard to really test display. When I got home, I tested for light bleeding and there was some bleeding and once again I noticed dark shades right along the left edge in portrait mode (very annoying for eyes when reading any text that is close to the edges) just like previous iPad3s I had. Strangely, those dark shades were right around the light bleeds which I marked when testing in dark room. Perhaps it is creating some contrast on white. It bothered my eyes a lot.
I was passing by another Apple store and decided to get another model. I did not open it in the store. But when I got home...I ABSOLUTELY LOVE THE DISPLAY and new iPad. It is not warm, yellowish tint. I would say, it is extremely uniform in white from edge to edge all around, tack sharp. So that makes me believe those iPads are out there.
I have noticed that fonts on the warmer tints are also bit different color and it makes them less sharp. Particularly when fonts are smaller. Obviously it must be contrast thing (edge contrast). I am completely sure about this.
I saw a post here that geniuses will allow one exchange now in the store? I belive this is just their say. I have called Apple about this, that they only allowed me one exchange in the store previously and very nice Apple corporate person put me on hold and called store manager. I was told I am supposed to go back to the store and see manager and walk out with the iPad I am satisfied with. I never went back to that store. If Apple hears enough complaints, they will either officially change the return policy or get their QA straight and ensure all iPads have uniform displays, just like the ones they have in every Apple store. It only took about 3 week time frame and has been hassle, totally oposite of what Apple preaches. It is a very expensive product. It is incredible product and advertised as such so we should get the best.
I will try to post some side by side photos.