Hmm didn't the HE 6 come with a balanced Cable? Why Even Dan Offers his Ethers with a Balanced Cable, as does Beyerdyanmic with their T1, why even Fostex is now selling their TH 900 with a balanced Cable Option,
So yea, I don't expect it to come with one for "free" but there should be an option to purchase one with the headphone, an a demo should come with said "optional" accessories
So again, given other flag ships in it's price range, while I understand it's not "built" to run with high powered amps, at least we the review team should have a chance to hear it with out balanced gear :/