Side question - is there some way to persist my login at these forums? I hate that I can exit safari, then three minutes later follow a link in my email to the thread, and have to go to top, log in, and then get redirected to the main page, rather than where I was when I clicked "log in"... Then I have to go back a few times to get back to the page. Irritating, only site that acts like this...
Anyway, I'm rather impressed with my local store. After the debacle at the useless Racine, Wisconsin "authorized repair center" who were just totally unacceptable, Apple verified my problem Wednesday afternoon, Thursday around noon they called me that the part was in, I ran the laptop up there, and they called me Friday that it was ready for pickup. Just got it now since I was out of town yesterday (why I picked that day for them to have it). Very happy with the turnaround, 24 hours or less for the order as well as for the repair.
Anyway, I just ran the terminal command, and I have a Samsung. I immediately switched to an all white background so I could start looking for this yellowish tint that people are talking about in some - and so far, fortunately, I don't seem to have any. I did what I found to be the best way to get the IR to show up - go to the main apple support page with the pictures of the various products above the top, let it sit there for a few minutes, then open one of my programs that has a dull blue screen - on the LG display I could CLEARLY see the visual "echo" of all those graphics - so clearly that i could actually see the mouse under "other products". Looked like perfect little silhouettes. With the Samsung screen, I have no retention at all so far.
All told, to me it looks as good as my LG did. Hard to gauge brightness now since I'm in a well lit room but I don't notice anything at this point that leads me to believe my Samsung is less bright than the LG was.
For those just checking into this who have no problems with their LG, I had mine since release, and didn't experience the IR problem until this week, and my laptop is on 24/7, me actively on it anywhere from 12 to 18 hours a day. I don't use screensavers. My display is set to turn off after an hour, not just after a few minutes, because i often have it sitting next to me at home monitoring things. So I have a lot of time spent on single views of something for long periods of time. And with all that, I still didn't see anything for over three and a half months.