Northwest-Outdoor via eBay offers the Garmin Forerunner 910XT GPS Sport Watch, model no. 010-00741-21, for $199.99 with free shipping. That's the lowest total price we could find by $22. Designed for running, cycling, swimming, and other sports, this GPS watch can track your position, distance, elevation, and pace. It features a heart rate monitor and water resistance to 164 feet. Deal ends May 7.