I don't think it would work because of the way the Atkins plan works, and think may yo-yo more than anything. I could be wrong, lol, but I see so many comments by Atkins followers that regain seemingly by just smelling bread
A lot of people have tried to combine WW with low-carb, but it's been very difficult. We even tried to have a low-carb WW forum here once but it fizzled very fast.