I would like to see more cultural influences. I can't be the only one who was seriously intrigued when finding the Alik'r at the Whiterun gates for the first time. Their clothing style just broke off from that of the nords and it just made them much more interesting. I want to see something similar but on a larger scale, if people come from a different province than the one played in I want to be able to see that for myself without having to ask them.
Mercenaries could still wear the armour of their homeland, citizens might have several tokens related to their nationality in their homes or if they recently came to the country they have a more distinct cultural segregation. Skyrim did the last thing very nicely in the gray quarter but it lacked everywhere else. I for example would love to see a nord living in blackmarsh having a casket full of blackbriar mead standing on a shelf in his kitchen or a high elf barkeep offering alinor delicacies.
Another important part of it is cultural armour variations. It was somewhat present in Morrowind where you could clearly feel a difference between imperial gear and local stuff but it has been somewhat lacking since. I want my argonian to have the ability to craft argonian steel armour instead of the nordic stuff, and I want an orcish blacksmith to sell orcish-like gear which is not made out of Orichalcum.
For me, a Cyberpunk/Steampunk hybrid, open world RPG, with situations changing depending on factors. Say you eliminate a crime lord, perhaps the areas they ruled are now slowly getting better, or maybe a new crime lord takes over. That's one game idea
Another, something like Kingdoms Come, is having a low fantasy action RPG where you rise from a nobody, to a somebody, with permadeath as an option, and perhaps allowing you to command an army, even a small one
I would want a Fallout game in Washington, the state, not DC. Your character would be a refugee from an society that had taken refuge and set up a base in the Pre-War Columbia Center. You escaped, and are trying to amass enough control in the area to storm the Columbia Center and stop their leader, the mysterious so-called "Life-Bringer". The society is capturing wastelanders and implanting chips in their brains that initiate fail-safes when they interact with certain people and objects, making them sleeper agents without their knowledge. They then wipe their memories and set them out into the wasteland.But the character managed to escape getting his memory wiped, so now the character has to manage to trek across the nuclear winter version of Washington, and in the process find a way to stop them.
I would like more options, especially on the evil side! I am tired of "You are the knight in shining armor or the black knight" I want grey areas! Another thing I want is more customization options, changing armor color, customizing weapons, tattoos etc.! And most of all please recognize Fallout: Equestria's existence, an easter egg, a comment in an interview, anything please.