I think the interesting thing, looking at the dpreview test data, is that the CA is actually pretty well controlled wide open @f/1.8. Which is probably where most people are going to be using that lens most of the time. I'd be willing to bet that's one of the reasons the CA is not as well controlled over the rest of the aperture range.
And yeah, I'm an oldschool purist that doesn't like processing corrections as much as corrections in the glass. The fact that everybody who's making EVIL cameras is talking about how they're using in-camera vignetting (and possibly distortion) correction--even in the RAW--disturbs me not a little.
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