Craig: I have
AIO (pre-VOC) under my Z now, no durability questions whatsoever.
Liz's Saab (pictured) was polished with
Menzerna, IPA'd, then Z'd. Both finishes show the same. I really don't think one or the other is more desirable.
Dino: For some reason, I think the *car* you are driving, might have more of an effect than the shine
.