It clarifies a number of issues previously discussed on Overcoming Bias and Less Wrong, and even debunks some outright fallacious theories that we on Less Wrong have implicitly accepted.

I look forward to this bit, but I'll be disappointed if it only debunks something trivial or something that is already disputed here. If it debunks something I implicitly accept, then I'll be delighted of course.

Does it go into any detail about some of the modules a typical human mind contains, such that you can experiment on yourself without brain surgery?