I like more immersive ways of fast travel so I have disabled fast travel permanently with a mod, and use the expanded carriage service mod, so there is a carriage at every hold. But I would like some waypoint portals(like the Diablo games) that could take you different parts of Skyrim instantly, no in game time would pass by like with the carriage system. I would like 4 or 5 of them, one for the north, south, east, west and maybe the center of the map. Bethesda released that video that showed the mods the developers made on there own time, this was one of them. I know some of those mods have made it in the game, but not this one yet.