I hear that ZMF 'phones are awesome, and I do like what I hear/see. I am looking for a pair to "complete" (yeah, right) my musicality > all rig. But comments I have seen around here talk about amp preferences in ZMF sets. So, I ask ye gawds of headfi, what ZMF phones would rock my world for my...

I'm rocking the included power cords with my Schiit gear. Anything better for not-car-money?

Let's suppose I have amp X which takes tube Y, but can use tube Z with an adaptor. Aside from searching fleabay for "Y to Z adaptor", where might one find such a thing and not have it suck?