After paying this amount of money I don't expect a "lottery" as to whether or not I get a defect free screen! It's a joke! 1) How common are defective screens and what particular defect is most rife? 2) What can one do in store after purchase to check the screen before leaving? Considering the harsh lighting of an Apple Store? I made this album that one could use to test after purchase... But is it enough on the spot? https://www.icloud.com/photostream/#A55ON9t3QTCMU Here's some of the threads that talk about display issues on the Air 2 Are the Ipad air's display uniformity issues on the air 2? IPad Air 2 display models: obvious screen defects. Anyone else's iPad Air 2 feeling a little blue...? It's time to play Find Something Wrong with Your iPad 'Air 2' Air 2 Screen distoring when holding.