The Physicalist[*] created a handy philosophical zombie flow chart. It’s not only a useful walk-through of various philosophical positions, but it is also simply a pleasure to read. An excerpt:
Your antecedent epiphenomenalism (or dual aspectism) is what enables you to think zombies are conceivable
I see a line of philosophical fortune cookies in the making.
[*] The “Physicalist” is a pseudonym. The Physicalist is kind of like the Mentalist, except that he believes that the physical and mental are the same thing; which makes him exactly like the Mentalist. Except for the belief, which science can never explain.