I was a happy refurb 64gb iPad 2 user until 14 days ago. Then I passed my device on to my hubby, who really wanted it so he could use the Astra Jigsaw Puzzles app but is rapidly using it for everything now. So, I got a 64gb refurb 3rd generation iPad, as did my daughter. Her 32gb unit arrived with a very patchy yellow screen but had to be returned for display detachment. Apple immediately replaced hers and she is happy with the replacement. My unit was a little dark but brightened up after it was all set up. The thing, though, is that my screen has a noticeable pinky-brown overtone to it, particularly in the upper left corner, and blues are a little purply. I am returning it for a refund because Apple says they don't have a replacement unit available, although you can buy them from the Apple store. And frankly, after researching what others with similar problems went through with the 3rd gen displays, I'm afraid that another 3rd gen would have the same or a worse problem.
So, I have given all this background because hubby is encouraging me to just get a 4th gen. My concern, though, is since they both have the same(?) retina display, does the 4th gen have the same screen issues: uneven discoloration, too yellow or a rosy tint, etc. I checked through this forum and don't see any complaints about the screen. Can anyone give me some feedback on how the screen is on the 4th gen?