Just came across this and am quite excited!!!
Currently I have two SD Cards in my PI (DAC Pro XLR), one for Hifiberry and one for PiVCCU3 (Home Automation) since the CCU3 software refuses to run in my OMV server.
Switching the SD cards everytime is a chore and will try to get the CCU3 to run on the HB.
Wish me luck! Thanks for the effort HB Team!