Printrbot, just successfully crowd-funded by Lincoln, California resident Brook Drumm, bills itself as an all-in-one 3D printer kit that “can be assembled and printing in a couple of hours.”  Hack a Day’s Brian Benchoff gives a cogent technical analysis.  Apart from the Kickstarter itself, Mr. Drumm maintains a Flickr set, a Vimeo account, and a fledgling blog dedicated to the project.