Program in your stats, take a preset fitness test, and then let SUUNTO's M5 heart-rate monitor become your personal robo-coach. It'll set up daily cardio or weight-training workouts (with time, intensity, etc.) and even suggest pace changes on the fly. Bonus: Connect the M5 to Suunto's higher-performance accessories, like its GPS tracking device ($170) and you can download workouts from its fitness community site, Movescount.com. $190; suunto.com
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