Looking to get in shape for the new year? Today, Dec. 31 only, Amazon is offering up this P90X DVD Workout Base Kit for just $49.99 shipped (reg. $139.80). The P90X kit contains 12 intense workouts on 12 DVDs, a comprehensive 3-phase nutrition plan, a detailed fitness guide, and a calendar to set your workout goals and track your progress. This system is highly rated with 4.3 stars and over 2,000 reviews!