Emm labs DAC and CD Player

Which the Best Buy between this three idems:

- Emm Labs top of the line Combo Dac and Transport and which cable use for connect them.
- Emm Labs XSD1 V2 which the difference music between V1 and V2?
- Playback Design MS5.

Listen to all 3 and pick the one that sounds best. That will be the Best one to Buy.