Having a svelte design is paramount to the success of any fitness accessory -- a desire to avoid hassle often prompts those of us who opt for purging calories without the convenience of a climate-controlled gym to leave smartphones, and even watches at home. That means nifty contraptions like Garmin's new Fenix all-in-one wearable don't make it to the jogging path, making a compact dedicated running watch a more desirable pick instead. That's the idea behind the Forerunner 10, which Garmin is pushing as a dead-simple GP
