Nike is rounding out its stable of fitness gadgets with the FuelBand, a slick bracelet that tracks and charts your daily physical activity. It then awards you NikeFuel points, which you can then boast about to friends and family. But, are bragging rights enough motivation for you to buy this $149 gadget and get up off the couch? And, can it catch up to more established devices such as the Fitbit and Jawbone Up? Read on to see how this race shakes out.