Yes, there appear now to be SE versions of the UX-3 and X-03 available in the US. Please see:
http://www.teac.com/esoteric/X-03_SpecialEdition.html
As the X-03 and corresponding SE version are natively optimized for audio, they would be more appropriate to compare with modded universal players whose modifications have also been optimized for audio.
http://www.teac.com/esoteric/X-03_SpecialEdition.html
As the X-03 and corresponding SE version are natively optimized for audio, they would be more appropriate to compare with modded universal players whose modifications have also been optimized for audio.