This blogger came up with something similar to No-S as an alternative to calorie counting, and found it worked better than counting calories or points:
Focusing on calories, much like keeping a detailed food diary or counting "points," skews my judgment, somehow. I find I spend too much time obsessing over those details, whereas if I simply put in place some simple rules for eating that automatically keep my food intake where it should be, I can relax and think about other things. Those rules include serving myself smaller portion sizes, never taking second helpings and never picking at food while I'm preparing a meal or cleaning up afterward. I don't eat anything after dinner (except a cocktail), and I don't eat sweets. I've lost the weight I aimed to lose and then some