The world was a joke, but nobody told the peoples who purchased it and immigrated en masse. Or rather, plenty of people told them, and in turn, the people told them right back that they didn't care, that it was their only option for a world of their own. It happened to be true. Earth no longer had space for reservations, no matter how serious the promises made to the peoples had been, and no matter how the history books made it clear that they'd already been wronged. Not all the reservations had yet been told that they had to go to the cities and live in stacked apartment buildings with lovely views of cement and no connection to the earth of their ancestors, but the immigration was written on the wall for those who knew how to read it. Already, the youth were being lost to the cities, and most who left to get a valuable education left swearing that they would return and ended up coming back only for the ritual ceremonies. So when they had a chance to buy their own world, pre-terraformed, they took it. When they reached it and realized that the only way they could live there and preserve a correct percentage of the world as "wild" was to move into homes stacked even higher than the cities they'd fled--


Inspiration: A miniature world photo - http://www.flickr.com/photos/cedarsphoto/11399229983/
Story potential: Medium.
Notes: Interesting setting. Because somehow they make it work.