I do once a month controlled cheat days. A few months ago my cheat day turned into a week and then a few months! I have been back on since 10-27-03. My first controlled cheat day will be Thanksgiving Day. Then I will be faithful until Christmas Day.
One a month at a time. I know I can't make it without a break now & then. Knowing that I have a day coming helps keep me sane. (Or as close as sane gets in my family!)
My average carb intake is around 17 a day right now. When I get down to 175, I will add a few more veggies and try to make it aound 22-25 a day.