A:AnswerI suggest you Google the following: "samsung panel lottery" Some panels are out-sourced to China with much poorer displays. Look for displays made in USA or Mexico, which begin with a "T" . Look at the box or in back of the TV. This can be a significant problem. Best to buy local where you can look at the TV or from a very reputable dealer who knows the problem well.
A:AnswerThe SUHD is supposedly a few % brighter and has more color spectrum.
Samsung puts the label on its higher end TVs. IMO comparing them side by side in store I couldn't see a huge difference.
A:AnswerYes and no. I have 5 in the room the TV is in. Because of the curve it isnt so bad. However with darker content you will have a glare. Again the curve helps but does not get rid of it.
A:AnswerIf you can download support documents and manuals on the Samsung website. You just need to identify the model of the TV you have and selected and manual will download
A:AnswerI don't think any television provider has actual 4k channels yet. Someone can correct me if I'm wrong. Really, there isn't much 4k content out there yet period. Give it a couple years and the media should catch up to the hardware.