Just so that I don't forget - these are some key websites:
A site which explains the storyline and introduces the characters in 'Firefly'/'Serenity'
A forum with stories written by fans about the characters in ‘Firefly’/‘Serenity’ (this is the inspiration for chapter 3 of the dissertation outline)
A Damaris study guide on ‘Serenity’ http://www.damaris.org/content/content.php?type=1&id=314
A Damaris article on ‘Firefly’
Articles about spirituality & film and a review of ‘Serenity’ by Steve Taylor
Official Fans (known as Browncoats) Website
A blog entry about the spirituality of sci-fi (with a description of Shepherd Book - the preacher) http://www.opuszine.org/blog/entry/a_bit_of_a_ramble_on_sci_fi_spirituality_atheists_space_stations_and_firefl/