Michael told me that the firmware is there and it's working. But there was still a little work to be done and he didn't have the time to set up a release. Additionally, the drivers needed some work.
However, the cards would have to be sent to Michael to do the upgrade, they're not 'field upgradable'.
I promised not to bug him for 6 months in late January, so I'll try to get in touch again in a couple of weeks.