Garmin's new echoMAP 50s and 70s fish finder/plotters can refresh position and heading up to 10 times per second with the integration of a 10 Hz GPS/GLONASS receiver. The 50s combines a 5-inch VGA display with an echo HD-ID finder. The 70s comes with a 7-inch WVGA touch-screen display with pinch-to-zoom. Both Wi-Fi-enabled units also allow sonar recording and come with a dual-beam 77/200 kHz transducer. The 50s costs $499.99, and the 70s costs $1,049.99. Call 800‑800‑1020 or visit garmin.com.