This Nike+ SportWatch GPS (with Sensor) drops from $169.99 to $139.99 and then to $129.99 with the code LKS1AP57 at Foot Locker. Shipping adds $7.99, but this is still the best price we could find for this watch by $10. It has an 8-hour rechargeable battery life and is water proof up to 50 meter. The included sensor slips into your shoes and works together with the GPS to track your run time, route, distance, pace, heart rate, and calories burned and upload the data to Nikeplus.com. 5 colors are available and sales tax is charged in most states.