Well, that was fun
When you buy a DM screen, what info do you find really useful?
Nothing actually, I never look up anything there, remembering is enough in most cases, otherwise it's deep enough that a search enging gives me the answer quicker.
Content is relative/subjective, I think it shouldn't be difficult for a 5e game designer to determine what's must see info; but you're not going to please everyone. There are other things as important to me as content. It needs to have font and formatting that's easy to read. I prefer a 3 panel portrait format with tables on front and back. If it were up to me, absolutely no art which to me IMO is wasted space. Perhaps some option for customization but don't necessarily have a suggestion of how. Needs to be sturdy and durable. I'd be willing to pay a decent price $25-$30 as long as I was able to see a full preview of what content is on it.
This is a pretty good summation. I disagree with art only as it allows for more info at perhaps a somewhat larger font than what would appear on a single sided screen. Contanier capacities, light, thrown weapon direction tables were always useful for me too. IDC what edition it is bring back the 2E fighting/wrestling table.On the outside - art. None of my players ever use it for a reference, and never have in my experience.
On the inside, tables I may have to look up while playing so nothing about XPs, or wealth and treasure generation because I do that sort of thing between sessions and don’t need the quick lookup.
So I want conditions, DC tables, tracking and other defined skill DCs, the social interaction table, object ACs and hit points, travel rates, improvised damage table, mob attacks.