So I finally got my Khador book and while I haven't read all of it yet, I can tell you it's awesome. The fluff is AWESOME. The rules section gives rules for every unit that currently has a model (no Stormraven BS here guys). It's full color but it costs $35. You really don't need it, you can just buy your faction deck for about $15 but I wanted all the fluff and Tier Lists. For those who don't know what Tier Lists are, they are PP's way of catering to the fluff player while still keeping them competitive. Every Warcaster has Tier Lists. The Tier list reflects what forces normally go into battle with said Warcaster. When all prerequisites for the list are covered, your whole army gets a bonus. The Tiers also ramp up from 1 to 4.
So granted this book costs a little bit more than a GW codex, but it's full color, provides fluff that actually progresses the storyline in Warmachine, gives fluff lists that give you bonus and has rules for all models that are currently out.
GW will you please get a clue?