I have been contemplating once again dieting. I am 5' 9" and weigh about 220 lbs. Ideally I would like to get to 175 but would settle for 185. I'm looking for advice on the Nutrisystem diet plan. Currently they are running a - buy 4 weeks get the 5th free. My concern is that they won't taste any better than the crap I can buy in the frozen food isle at the local grocery. They say their system keys on glycemic index so I would assume if I bought some of the South Beach frozen foods I'd be getting...