Have you ever considered that fact that you way over think the subject at hand?
Consider reading " Don't Sweat the Small Stuff, It's All Small Stuff"
If you have been reading about Fat, then you know that other then Trans Fat, M / P/ S fats are all good. Some eat more of one then the other, but that might work for them, not for you.
Here is an idea, eat Zone, Paleo, IF, what ever, do the CA WOD or CF WOD or variation there of, report back in 6 months, 12 would even be better.
In the end, It's All Small Stuff............................