Like every one else I have been waiting a long time to get my hands on the CKG. I could not get in on the pre-order.
I really struggled with the idea of paying $32 for the PDF. In the end my better judgment lost and I got it.
After reading through it I have got to say Its a great book. Part DMG part campaign planner.
For me the expanded rules for character building is great. As well as options for fine tuning the siege engine to taste is great too.
My only complaint is the price really. Too much for a PDF. If this was any other book. And any other company I would never have paid so much. $20 or even $25 I would have not hesitated.