Regardless, this is just a house rule document I'm tossing up here. A few of the changes include races/distinctions, which provide different types of benefits or bonus to HD to help represent the more heroic character types Eberron is meant to have. A lot of it runs on my own personal referee ideas in mind.
I realize upon posting this, I did forget to put in rules for familiars, which might actually be useful for people. C'est la vie. Knave is a CC.A4 game, designed by Ben Milton.