In the end, we never stop talking about these suckers across multiple threads, so I'm gonna try to compile as much information as I can into this one.
As in most cases, diopters are cheaper than anamorphics, I ended up with a lot of them, from multiple brands and multiple performances. The key was never go where everyone else is trying to find. Got the classics too, but that was luck.
Anyway, let's go to the undeniable favorite: Tokina +0.4 Achromatic diopter. My only complain about it i