proedros
Headphoneus Supremus
Yes, the boost exists somewhere around the midrange and the upper-bass. I personally think a cable that neutralises the lower-midrange hump and the lower-treble peak would work best with both settings. The Lionheart, Eos and 2-wire 1960s (if you don't mind a bit of warmth) are my personal favourites. The Horus is excellent as well, but quite a ways away from my budget.
eos is great , i compared it again with the pw5 and it makes Zeus XR sound more linear and it also makes the bass more concise and controlled.
and for the price ? a bargain.
you were right (once more), this is a great cable for my XR