Every new client means rebuilding the same project from scratch - the same tasks, the same subtasks, the same owners, and every due date typed in by hand. I want to build it once, save it as a template, and deploy it whenever I need it. When I apply the template, the due dates should work themselves out from the project start date instead of me setting all of them again. Being able to duplicate a Space, Folder or List outright would solve a lot of this too.