Wow, didn´t realize porsche is that holy...
Well what comes to this "ultimate" suspension, it has pros and cons for a same reason: It is bolt on.
First, front upper control arm is pretty short. This means that camber gain is massive. I would prefer lomger arm´s, upper and lower also. Coilover attach point maybe lower control arm.
Back, i´ll say that push-rod system is unneccessary. Just show off, i think and extra weight. Can´t say much of geometry cos poor angled pictures.
So, front is suffering badly bolt-on caracteristic and back is bit overkill. Back maybe performs better, but too much extra weight (push-rod system)
Allthought there is lots of adjusting possibilities, sadly they are just holes to choose and not stepless.
but $8700? I wouldn´t bother. That why I used S13-based suspensions in my car, front and rear. Miata should be good donor for a great handling Z. Just need some cutting and welding.
Btw. Mc Strut system isn´t that bad, it´s just difficult because it need space so much horizontaly.