Well all I can say is I never had any issue with regards to the ignition coils frying *after* the e-manage was on, all my coils died with just the factory ECU The e-manage was on the car for 18 months and worked a treat.
I have actually seen the trigger signal on a CRO and that's why we used the zener path as we could mimick it with no problems...no impedance issues were evident at the time, and this was quiet obvious in the performace of the car, no breakdown, no stuttering..basically perfect operation.
I agree, when you know what fixes it let us know
Also for anyone that doesn't know, the bikirom megaboard now works in the R34's (I have one installed now )
www.bikirom.com