I'd find it hard to believe that they'd be significantly better than your Oppos, Gibbsy.
Mind you, at that price I guess you'll never know. And if you're going to spend over £3 grand on a pair of headphones, you'd better make sure that your source, amp and headphone amp are at a similar level otherwise what's the point?
Wasn't a massive fan of the empyrean. They sounded great but imo not worth their price tag; still probably the best built headphone ive ever come across. Weirdly, the empy's wasnt too fussy with source gear so i wonder what these are like.