Cycleops Joule GPS vs Garmin Edge 500 comparison

Both computers seem to have similar features. Can anyone who has used used both chime in to give their recommendation?

Here’s DC Rainmaker’s take on them:

http://www.dcrainmaker.com/product-comparison-calculator?type=watch&ids=3074%2C3071#results
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i was contemplating this myself and then remember that this has been asked many a times on ST. just search it.

I picked up the Joule. Here is the deciding feature for me:

The Joule has the option for setting waypoints on your course. This is a huge advantage during a road race for locating the distance to certain details on the race course such as intermediate sprints, finish line, hills on which you plan to attack for example.