Back in June/July 2009, SpoilerTV posted casting sides for episodes 1x02, Rebirth, and 1x03, The Reins of a Waterfall. One is 48 pages long and the other has 25 pages. Both give away pretty major stuff, so don't look if you don't like being spoiled.
Here are the links, for the spoiler addicts:
1x03 The Reins of a Waterfall