I spy an Opti Firelink chip on the Whisper card--did you ever manage to make any progress with those, or is the CMD 670 still the only game in town?
No worries, I have a couple of the CMD chips waiting for me to get to them, but the Opti seems much easier to find.
I'm working on populating the power connection with a glue chip rather than a fuse, so the Opti chip might like that better.