When it comes to finding a running watch I want something that delivers as much useful and accurate information for as little faff as possible. To that end, the Polar M200 answers my call: it works independently of my smartphone, it has GPS built in, it doesn't require charging after every run, and the interface is relatively easy to navigate.
The "best" running watch or GPS sports watch is a personal choice and much depends on the amount of detail you want from your runs.
Beyond just simple tracking and pace information, the latest watches will feed back everything from heart rate data to detailed observations of your running style. In short, GPS watches are becoming essential tools in the runner's arsenal.