This is the reply I just received from my dealer here in Germany after a week long wait.

Hi Carl,
�
I have the answer for the firmware updates�
The update affects the following devices:
�
Surround Controllers: V4 861, V6 861, G68, G61R, G61, and C61
DSP Speakers: DSP3100, DSP5000, DSP5200, DSP6000, DSP7000, DSP7200, �DSP8000
and Audio Core 200
�
The Device must be sent to the manufacturer and the costs depend on the device type.

Ohhhh dear!!!!!

Dedicated theater room: 30'x15'x9
11-4-4 Atmos System. Trinnov Altitude16, 271, DSP750 LCR, DSP7200.2, sides, 7200SE Rear, 5200.2 front sides, 4 x 320.2 atmosphere, 4 x 24" GSG Subs, 2 x Stereo Integrity 12000 (6000w per sub each with own 30amp circuit)
JVC NZ900+DCR Lens Projector, Kaleidescape system.