Kent, nice post, but my position is NOT a meta-meta position at all. The buck stops at the meta-ethical level, IMO. What it is is the recognition of an epistemological restriction on our ability to prove the meta-ethical theories...and that, I believe, the logical and intellectually honest consequence is the adoption of my system. However, it's not really a 'system' since nothing is ruled out/in. However, since I'm proclaiming that (for the moment) no meta-ethical theory can be overdetermined, mine isn't exactly a meta-ethical theory, or else it fails my own test. This is why it's not only provisional (ready to step down when the epistemological restriction is shown to be gone/never there), and it's only relativist in a SENSE because it's not ACTUALLY relativism: any of the other theories can be included into it with no prejudice...it merely asks for admission that we not believe that precept X is taken to be TRUE.
So, no,my position is not a meta-meta ethical position...and I actually doubt that any such theory would make any sense.
And you're wrong about MacIntyre - he's been working on Virtue ethics which is a very very difficult topic to pin down because defining the virtues is so absurdly hard...even Socrates/Plato had a really hard time
