http://www.sancarlosradiator.com/ima...-%20Z-1217.pdf
Here's a nice little chart saying what your car should have. OUCH! I think the moron at Autozone sold me dexcool and Dodge used the hybrid. I'll keep a close eye on it and change it soon.
I'll research more and post anything I dig up as interesting AND valid.
I still believe air is the problem, and if you're system burps every time you shut it down, you'll quickly exhaust the corrosion inhibitors and then all of the ills begin. I remember looking into this a while back and reading something to the effect that the organic acids are supposed to build a protective oxide coating, but with continued introduction of oxygen, the oxides flake off, causing the sludge.
But the obvious safe side step is stock up on the green stuff before it's discontinued.