The Garmin GPSMAP 198C Sounder is a combination chart plotter, GPS and depthsounder equipped with a bright, five-inch-diagonal color TFT display. The plotter comes loaded with BlueChart cartography and stores 3,000 waypoints and 50 routes. The dual-frequency sounder gives a clear depiction of depth, thermoclines and fish targets. Designed to be bracket- or flush-mounted, the waterproof GPSMAP 198C Sounder has a suggested retail price of $1,125. Garmin; (800) 800-1020; www.garmin.com.