Vinyl, all the way if you can swing it. (I'm a biased scum) The most Important thing is to do a lot of listening yourself, and of course It's not an inexpensive habit, but I find that vinyl mastering is, in general a lot better. Despite the impermanence of  the media, If you collect jazz or...

I'd personally go with the 650s, but that might be because I love their dark sound for instrumental jazz and how they handle opera and leider. If you can't get enough bass and want something that isn't as finnicky about amping then the Hifiman is probably the way to go.