@AndreaChapman - Your idea sounds very simliar to this one here - http://dojo.domo.com/t5/Ideas-Exchange-suggest-and-vote/Run-all-the-steps-in-a-dataflow-to-a-point/idi-p/7126
That one is also currently under review. Be sure to Up Vote it and Comment on it if this is something you want also.

If that one isn't exactly what you were thinking you could always create a new idea, or search and see if there is one closer to what you were thinking.

Andrea

 if you have not already commented on the link he sent or more especially up,voted it. I encourage you to do so. The more of us that do so the better the chance it will happen.