Airships in Tamriel... that'd be the day. I'm not even too opposed to it. It maintains the fantasy feel of the game, but NOT in Skyrim. It should be in a future game, maybe summerset, or in a game in that takes place in the past when the dwemer were around (if they ever make any more "Elder Scrolls Adventure" games).
It might be a nice counter against a Dragon. After seeing all those Dwemer Ruins where the futuristic is as the cold statues of dead empires i think Airships etc could still feel old and ancient. Kind of like the story "A TALE OF TWO ROBOTS" from ROBOT CARNIVAL where these futuristic giant robots looked very antiquated and not like something out of a sci fi story-
http://www.youtube.com/watch?v=UdOieEsk918