The new year is barely a week old, but you're ahead of the curve if you've managed to stick to your weight loss resolution for this long. To keep you on track, we've rounded up the week's best fitness deals. Track your progress with a $30 price low on the Jawbone UP wristband, save $20 on a pair of Gold's Gym dumbbells, and score $60 worth of Gaiam equipment for $30.