I would certainly love to know more about his prequel changes.
littlev87, you can get an idea of some of the planned revisited prequel changes here, if that helps - https://swrevisited.wordpress.com/ptr-facts/
(but time enough to go into all that when the revisited prequel thread(s) appear here eventually)
The Wampa is coming along nicely by the looks of things I see. Great stuff!