I'm not a professional at this, but what I have read which is very little. I love the book all most as much as Dragonstar and is my second favorite D20/OGL book next to the Dragonstar system books. The item creations charts which covers everything from Automata to structures and how to create and giving them personal flavor for the characters. I just started to play around with creating items.
The book also gives you new classes that have vocations which is like a specialty for your classes. Each class has a list of vocations that fall under that class. New races covers mutation of animals to be played as characters and a new character generator unless it is under the other OGL Books as well. This is my first OGL Book I picked up, so I could not tell you the character creation process. Each race has their own feat list to pick from as well which kind of reminds me of Dawnforge as the racial progressions. I should throw those in my games as well.
Does this help you any until there is an official review from someone you like posts a review?