I'm the type of player who goes for immersion and rarely, if ever, leaves first person mode.
Obviously, I was rather disappointed when I saw that Bethesda had removed the option of riding horses in first person. I've a pretty good grasp on what's possible with modding in Beth games, and as far as I know this would be rather difficult, yet possible and also incredibly worth the effort. I'm sure there are others who miss the feature as much as I do.

My other request is something of a pipe-dream, but the moment I saw the carriage scene in the begging of the game, I thought of the possibility of having real-time carriage riding, allowing you to get off whenever you wanted. Again, it would be very difficult to do well, but it would add so much to the game for me. (EDIT: Just saw the other thread on real-time carriage riding; http://www.gamesas.com/index.php?/topic/1270739-carriage-travel-in-real-time/
I probably should have searched first.)

Anyways. Just trying to spread the ideas. I'm sure someone with experience modding previous Bethesda games can come up with a way to do one or both of these, though we may have to wait for the script extender.