The three types I have noticed so far are E1, E3, and E8. I know a lot of people say that E5, and E6 exist also, but I just haven't noticed it or might mistaken them for some other enneagram type.
I disagree that the subtype is more common among E6s , the subtype is too. And I dont think that the subtype is more common among northerners, while the :Se! among latins, thats just ludicrous.
But all in all I mostly agree with these descriptions.