Routers from buildyourcnc.com have used a similar style for a while and move a gantry with routerby maker of things - Mechanics
I have enjoyed the magazines so far. As an individual who at this moment is researching a 3d printer kit to buy, I agree with Nophead where he states that (I'm paraphrasing) "people want a cheap easy to assemble printer capable of quality printing". I think that it is cool that there are machines capable or printing an amount of parts to build another machine as a way of dissemination. Butby maker of things - RepRap magazine