Different "interpretations" of QM are in a large part just philosophy at this point. Individual physicists might find one interpretation more appealing, but it

Different "interpretations" of QM are in a large part just philosophy at this point. Individual physicists might find one interpretation more appealing, but it doesn't actually have much, if any, impact on their work. A reformulation of a physical theory is a new mathematical approach. It might be motivated by a particular interpretation, but since existing approaches are all confirmed by experiment, it won't actually offer different predictions. However, it might be substantially easier to calculate a particular quantity in one formulation. Or, it might naturally imply a way to extend QM that will ultimately produce different predictions than the original formulations. (At some scale that we haven't yet probed.) Feynman's path integral formulation[1] is a pretty notable example of this. I've never looked at the Bohmian thingy, but the fact that I've heard more about it on reddit/HN than from physicists is not an encouraging sign... 1. http://en.wikipedia.org/wiki/Path_integral_formulation http://en.wikipedia.org/wiki/Path_integral_formulation