Given the good feedback, I'll detail this "new" cosmology of mine in a small series of blogs. After a little intro that explains a bit of what I did with this cosmology in the latest blog, I will then delve into the concept of Elders and how they (can) mingle with the Fey.
While the previous blog was more of a "lore" article, now I'm doing more of a "designer's notes".

So what about the planes?

As you may have noticed, my cosmology draws heavily from 4e, more than from the Great Wheel. It is aimed at explaining things more rationally than the classic cosmology, even 4e's, so fitting in the aligned planes and the "wheel" schematic is a bit weird IMO.

I wanted a more "top-bottom" approach, that I actually see more as concentric.

That is, I see the "Elemental Chaos" as being nothing more than...