Hasnas is good. Also consider Benson's Customary Law with Private Means of Resolving Disputes and Dispensing Justice: A Description of a Modern System of Law and Order without State Coercion: http://mises.org/journals/jls/9_2/9_2_2.pdf
I'm seeking people interested in this subject to exchange ideas.
(This is not a rhetorical question; it would help me understand what you're trying to achieve.)
Another major problem is the State, that would probably try to make this system illegal if it becomes popular. This shouldn't be a problem for the system itself, because it could work on a peer-to-peer basis, but to the parties involved in the cases, if their names are made public.