Anybody tried the "Flat Belly Diet"?

Just wondering if anyone's tried the "Flat Belly Diet and seen and kept the results:) My parents told me about it and I checked it out. Any diet that includes things like olives, avocados, nuts, healthy oils and dark chocolate seems right up my ally! The holidays were not good to me weight wise, and even though it's snowing today, too soon it will be swim club time! Ahhhh!

I've also been working out, somewhat regularly at least. I'm trying.

Anyway, has anyone tried or heard anything good about it? The meals look really good but I think it's the portions I'll struggle with. The books in the mail so I'll let you know how it goes.