The Garmin 310 XT is the latest heart rate monitor to be released by Garmin. They have taken major strides over the years to establish themselves as market leaders in the very competitive heart monitor industry. This year alone, by the third quarter, they would have already released two new heart monitors, the Garmin 310 and the FR60. There is a lot riding on these monitors. To be the best in their field, the Garmin Heart Rate Monitor has to offer more than just reading heart rate. Additional features such as GPS are important in attracting buyers. Here is a non-biased review of the 310XT GPS heart monitor.