Midgetguy
Headphoneus Supremus
Yep, feeling the spike. I know the Deltas and Hyperions were tuned with the help of Head-fi folk with deservedly great reputations but I think they like a brighter/brassier signature than I do.
I love the form factor of the Hyperion and I'm hoping the next version will be a l'il closer to a sound signature I can live with than the current version. Of course this is just my subjective desire; for many the sound signature might be bang-on already.
Very much could be that they like a brighter signature than you do. But also just that they could be older than you as well and just aren't as affected by the treble spike. @Brooko, for example, I believe he's in his late 40's (unless he's lying on his reviews