This 'hobby' is starting to get expensive real fast! I used to look at people with their hifi rigs with balanced outputs, pre amps, speaker wires and shake my head. Now I want all that sound quality in a package I can carry with me. We start off slowly with an ipod, move to an iphone then start messing with earphones. Max that then move to dacs and amps, reach the limits then move to DAPs, redo dacs and amps and earphones and the prices rise exponentially with quality. On top of that synergies make us side grade etc.
I bought a DX100 two years ago to replace a Sony Walkman and RSA SR71a amp and was completely satisfied with the quality, fast forward two years and the audio scene moves on with DSD, DXD, 24/192 and need to replace my entire rig! Now I'm just waiting for my JH Roxannes to ship. What is the pinnacle of portable audio now?
There isn't one. The holy grail should be to find what makes you smile when you listen to music, not how much it costs.