Took it this afternoon and passed.
110/125 (88%). My worst section was multi-system (60%) but I got 100% on endocrine/hem/neuro/gastro, 96% on cardio and 91% on pulmonary. I was most worried about cardio and pulmonary as I felt I knew them well but it's a lot of material.
Advice for the newbies out there looking to take it for the first-time; study your butt off! I read the Pass CCRN book by Dennison front to back once and then thumbed through pulmonary/cardio a second time. I listened to the Laura Gasparis DVD's, another set of lectures from Cammy-House Fancher, as well as an NTI CCRN review from I believe 2008.
Excessive, sure, but I can now read a 12 lead like it's child's play. I could probably teach a 2-day conference on DKA and HHNK. I feel I know liver failure like I've had it before.
It's great to have passed, but it's really nice to know a bunch of stuff I had no idea about before. Studying for this exam will make you a better nurse. It's tough but doable!