I have some pretty strong feelings about the 5th edition DM screen.
I've used DM screens for every version of D&D, and I've always had the official version and then decided I could do it better and taped my own tables on the interior of the screen, crammed more info into the space, used a smaller font, and so forth... and was always tinkering with new layouts, different fonts, refinements of the presented information, and so forth, never actually being satisfied with the screen and always having difficulty actually using the screen (it was often easier for me to just remember what page to turn to in the books themselves, especially once I trimmed the font size down to fit 'everything' on the screen).
Yet with the 5th edition screen I have only made alteration by way of sticking a couple post-its on it, and with all the art displayed on the screen I didn't even have to cover up one of the tables to fit the post-its. One, on the outer left panel facing a particular player's typical seat at the table, is the dwarf name details from The Dwarves of Rockhome to help that player come up with names for his characters and their family members. The other is the little table from the DMG for the optional rule of mobs of attackers (because I hate rolling out the attack rolls of every last one of the small army of goblins attacking the party).
That's all the fiddling that I feel is needed for the screen - everything that is on it actually sees use in more sessions than not, and nothing that isn't on it that comes up regularly isn't already committed to memory. It's the first time in basically ever that I am actually satisfied with a DM screen. The only thing that I might change is to hang some different art on the outside to keep what the players are looking at fresh/related to the campaign at hand.
And why the heck did it take WotC until January to release it anyway?
I think that was at least in part deliberately creating another visit to the friendly local shop, since WotC likes to do things to help out the brick & mortar shops, even above and beyond having them be the early access points for D&D products.