Yeah. The sheer types of code they could run.. So..would such a service be useful? Sign up, choose what static generator you'd like to use(Jekyll, Hyde, Pelican

Yeah. The sheer types of code they could run.. So..would such a service be useful? Sign up, choose what static generator you'd like to use(Jekyll, Hyde, Pelican, Octopress), and you have a functional dev console embedded in a web page, with a pretty editor, to edit your site?