Haven't seen a release date for the Momentum 2.0s yet. Not sure about the hinge. BT is getting better so they might be worth a look, but my main DAP is the X3 so no joy there. For iPhone/Android they might be a sweet setup. 

I use Sennheiser On-Ear Momentums (~$150) for this very reason. I commute on a vanpool 1.5 hours each way and spend a lot of time on airplanes. I usually listen with a FiiO X3 but they also work well with my iPod Touch, iPhone and Moto X 1st Gen without an amp. As a plus they come with two...

Loading it now! Just like Christmas early!

I have several replaceable cable headphones (Shure 440, Sennheiser On Ear Momentum, Koss Pro DJ 200, Shure 210 IEM) and would be willing to try balanced music amp/cable combo.     FiiO Fan Mark Berge

Magic Dad Touch - I always fixed my kids stuff without actually touching it also...