Assuming you don't want to pay the extra 900 Euro to get all 3 XDMI daughter cards, I would suggest you do what I just did for one of my orders:
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This way you can try the XDMI Analog Out and compare to the MSB Output (when it becomes available).
Yes, you will be missing the Digital Out (AES/EBU & RCA), but it is unlikely that will be your ultimate choice.
Plus, I am guessing there will be plenty of unused AES/EBU & RCA daughter cards out there that you can borrow from friends to try if you are curious.