Garmin Approach S3
Type: GPS; $349; garmin.com
This stylish, waterproof watch provides yardages to the front, middle and back of the green, as well as to doglegs, hazards, and other lay-up spots. The "Green View" feature lets you drag the pin to that day's location with a touch of the screen. The 2-ounce unit tracks "time played," includes an odometer and is preloaded with 28,000 courses.