*UPDATE*
A few forum posts regarding other Quad products suggested that to gain the firmware updates, one has to email Quad directly to ask for them. I have done this now and await a reply...fingers crossed.
Hifi: Innuos Zen Mini MKIII > Fisual Hollywood Optical > Quad Vena II > Custom Clyde interconnects > TA Monoblocks > Tellurium Black > Reiver Millburn MK II (Custom super tweeters & TQ Black Jumpers).
Headphone Rig: MacBook Pro/Google CCA > Fisual Hollywood Optical > Beresford SEG > Custom Clyde interconnects > Beresford Capella > Sennheiser 700s