If ever there was a pure play in the beverage category, water in PET is it. For health-conscious Americans, the once unimaginable -- buying bottled water for health and convenience -- has become a work-a-day occurrence and PET has played no small part in promoting an image of product purity and consumer convenience. Projected to capture a share of stomach second only to carbonated soft drinks during the next four years, the growth of water -- and more specifically water in PET -- may be tested only by the limits of ever-more creative packaging design and the need to improve channel distribution management.