I have my Epson EH-TW3200 now exactly one year and it has 1592 hours on the counter.In the winter time my eyes enjoyed more the extra lumen I get with the Living Room preset and since some days I even watch in Dynamic mode with the iris on slow.
I just enjoy the more punchier colors and brightness right now.
The flicker I had a few times did not return and so far I always was in Eco mode, except for some bright summer evenings where I needed all the light to combat the sun.
I noticed some big dust blobs when I have a black static picture but it is not visible during normal usage.


















