Diet Coke and Diet 7-Up with Splenda are rolling onto store shelves across the U.S. this week. It reflects a growing market shift in sweeteners for the first time in 20 years. There are widespread claims that Nutrasweet, said to have been rushed to market in 1983, may be a health risk. However, Splenda is not without its share of victims, critics, and those on the fence. Maybe this is a better idea?