Just released, a partnership between GameCraft Miniatures and Ambush Alley Games has produced a set of laser-cut, MDF, science fiction colony buildings. They come in a number of styles from small garage type structures, as pictured above, to large, stackable residential habitat blocks (below). They have even released some cool first generation colony shelters that look as if they were built using hull panels from the ship that brought them there(bottom).
All of the buildings are constructed with a fantastic accuracy and though I have not handled one personally, my experience with GameCraft's Old West buildings tells me that these will be easy to collect and build by the ton. The smaller habitats have the option to be built with the etched details or you can purchase detail bits that add extra relief details to the structures as portrayed in the top image.
I cannot wait to purchase some of these to fill out my scifi terrain and I am hoping that the larger structures will get some detailing kits as well.