I think it is a great idea, I just don't see FZ ever getting there... FZ in in beta, there are a lot of other things that need to be done first, and all the files are .svg, making it difficult to include the info required to generate the centroid.
Try loading the free trial of http://www.numericalinnovations.com/collections/fab-3000-gerber-cam and let us know how it works. I read it was one of the most user friendly and the youtube looked was pretty cool...