I got the monitor to look really good with hdr on and adaptive dimming turned off but having adaptive dimming turned off kind of defeats the purpose of this monitor as that controls the FALD's. I do have to say gaming on this is amazing. I was playing MW2 and the HDR highlights were so noticeable and fun to game with. For those of you that have this monitor if you disable DSC you can see how noticeably brighter and uniform the monitor gets without any tuning and you can enable adaptive dimming and have it not look dull. I suspect Acer might need to work on that issue there.