I got a PW for Christmas (502 batch). Initially I could see a pale green area but no pink and I was planning to keep it. Last night while reading there were very visible pink areas. Those pink areas were *not* there before because I was aware of the screen issues before I got it, so when I received it I checked the screen carefully. I requested a replacement. I am concerned, however, that discoloration that was not there initially developed over the course of 5 days. Even if I get a great screen in this replacement, I'll wonder if that will change over time....