Just before the big Lauderdale show, Garmin announced several new products, including new 7- and 9-inch touchscreens with updated mapping and sonar features; new fishfinders, and the first ActiveCaptain Mobile app and the first diver’s watch with a computer and GPS (see the picture above). For cruising boat owners, the ActiveCaptain app might have the most appeal, since it could lead to being connected all the time on the water. It gives you the ability to access the ActiveCaptain community, and to create, save and transfer routes and waypoints between the app and your device. You also can use it…