Good luck, I know some people who have had great success with South Beach. I would also encourage you to check out www.kalynskitchen.com/2006/09/south-beach-
She is a former caterer who did the South Beach diet, and now has a cooking blog where many of the recipes are good for different phases of the diet. I'm not a South Beacher myself, but I make her recipes fairly often, and they're great! Making one tonight actually.