iFi micro iDSD (http://ifi-audio.com/portfolio-view/micro-idsd/)
iFi nano iDSD (http://ifi-audio.com/portfolio-view/nano-idsd/)
Both work like a charm and sound excellent with runeaudio on Cubietruck via USB.
No problems up to 384 kHz / 32 Bit, didn't test any DSD yet.