I also own an E10 and it's a cracking little device!
It drives my K701s very nicely and handles high res files up to 24/96 very nicely and still works with files higher than 24/96 by down-sampling.
Combined with Audirvana, it makes for some very nice sounds from my Macbook.
Steve aka 'Twelvebears' (it's a long story)
System: Technics 1210 Mk5, Jelco 750 arm, AT33EV via MF X-LP2 Phono Stage, Oyaide mat and record clamp. SB Touch via Marantz PM-11S1 amp and Wilson Benesch A.C.T. speakers. Mark Grant cables and PS Audio Power Plant Premier mains regenerator.
(\__/)
(='.'=)
(")_(")