Actually CAD and CALP are pretty close to the same thing as far as the rules. In the very first CAD book, which is the one I first read, it doesn't mention anything about dividing your plate into 3rds for your RM . All it says is to balance your RM. However later the Heller's revised the CAD book to include this. The CALP book says about the same thing as the new version of CAD, but the CALP book throws in I believe 9 different options, like taking Chromium, exercising, AS, over the counter drugs, etc. I can't remember all of the options because I don't have my book at work. I am still confused about the 12 grms of carbs per 1/2 cup.

Potaofree, I am sure you are getting confused. As long as you follow the basic program, you will be alright. Things really haven't changed, unless the Heller's just came out with a brand new book that I haven't heard about.