The HS60 will give better heading. It's a sat compass, so uses multiple GPS receivers to determine your heading. It's accurate, gives true heading (and magnetic if you want it), and is not subject to magnetic interference. The heading sensor in the WS200 is fine for calculating ground wind direction and speed, but I would only use it as a backup for navigation.
Another way to look at this is based on what you are looking for; position and heading. That's what the HS60 does. It's a low end sat compass/heading sensor, but still has all the qualities of one.
In contrast, the WS200 is a weather device. That's its primary purpose and what it's optimized for. To provide ground referenced wind, you need speed and heading, so that's why it has a gps and heading sensor built in. But they will only be as good as needed for that application. Like I said earlier, nice to have as a back up, but wouldn't use it as a primary nav source.
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