This is my first projector, I am using this in a not fully blackout room, without ALR screen. I am not seeing a need for ALR screen at least for now.Good picture quality, brightness.But man, the OS seems a mess. Most of the streaming apps like prime, Disney plus, Hulu etc won’t work without a full restart of the system every time. Youtube works without a problem though even though I am seeing motion glitches while streaming videos from youtube.On top of that a week of time to get attention from See full review