Hi, My last boat had a lowrance chart plotter. It had a pretty good outline of the lake, but didn't show any of the buoys. I started using Navionics on a tablet. They had great charts. I sold the Sea Ray and bought a Bayliner that had a circa 2005 Raymarine Multi Function display on it. I purchased the Navionics chart card for the display and I am happy with the chart. So now I have Navionics charts on my tablet, phone and the boat. I have to tell you that between having radar, GPS and the navionics charts I am quite comfortable with night boating. I debated trying to upgrade the MFD to a newer one that had a touch screen. As near as I can tell my old radar, gps and depth modules are not compatible with the newar MFD's Too bad, becuase I could probably afford to upgrade on piee at a time, but there is no way I could do it in one shot.