Originally Posted by
TheCannon
Im debating. I just bought mine 4 days ago, I could probably return it. The problem is I bought the bundle with all the sensors. I want to keep the sensors and use them on the 520. Can't return it without the sensors though. Also I got my 510 from Performance Bike 25% off during their mega sale. Came out to $330 including tax. I better just keep it and see how the new software performs.
Keep the 510. You don't want to be a Garmin New Product Unpaid Beta Tester.
You can keymash on the Garmin forums all you want about issues and no one is there listening.