Oy. The Devil's Punchbowl is hard reading, and not just because of its 550-page length. (Seriously, it's so physically awkward to hold open the book at times.)
Dog-fighting. It's not mentioned on the cover summary, but this is one of those things you really need to know beforehand. It's extremely graphic. DO NOT READ CHAPTER 31. I did, and I wish I hadn't.
Just trust me on this. Nothing in that chapter happens plot-wise that isn't summarised later, so it's okay to skip.
The novel ends on a cliff-hanger, which I've heard is resolved in an e-novella, The Death Factory. Which is annoying, because I still haven't found a DRM-free, non-geo-restricted, PayPal-welcome online bookstore that sells it. Grr...