Just arriving today is the Ultimate DM’s Screen, the Dungeon Master’s Keep. The two towers near the center are dice towers, one rolling towards the player and the other to the DM. There is also trays for tokens and dice, and shelves for figures. This is the screen for the serious DM.
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I note this fails to do the #2 job of the DM screen. It doesn’t have a quick reference section. So yes serious if by that you mean one who memorized every condition and skill on the standard screen.