New firmware is available for the Powerhouse command station.
Awesome! Do you have a link with more details?
Only necessary if you have a CAB06. Otherwise, it is of little value.
If you do not have any Cab06 cabs, no need to update your System EPROM. None of these updates will improve your wireless operation unless you have a Cab06. The updates are to improve the functionality of the Cab06 only.