Elysium

This looks pretty good.
http://www.unfinishedman.com/elysium-trailer-its-better-up-there/?utm_source=crowdignite.com&utm_medium=referral&utm_campaign=crowdignite.com#axzz2Q6EkFjV3

I had to watch the trailer several times but it seems that Elysium is a "ring" orbiting space station of Earth. How they handle the visuals of this concept will be interesting. I can't think of any other S-F movie that addressed this concept other than the space station in 2001 which was on a much smaller scale.

At first I thought Elysium may be a true "ring world" in the manner of Larry Niven's Ring World novels, which were never made into movies. But those were naturally occurring bodies ( or maybe they were structures created by advanced aliens. It's been too long since I read them...more research. )

Ah yes, it was artificial:

http://en.wikipedia.org/wiki/Ringworld

Looks interesting.