as far as I know... for region a there have only been a single release.
now if you wanted to talk about Chinese language versions, there may be more than one.
VPI Classic 2/Soundsmith Aida
Parks Audio Budgie Pre Amp - Budgie SUT - Wyred 4 Sound DAC2 DSDse
Pioneer SC85 - Bel Canto REF 500M
Klipsch Cornwall/Crites/Aletheia Audio - Klipsch RC64II - Klipsch SW115
Samsung PN64D8000 - OPPO BDP93
Klipsch Image Ones - Klipsch x11i