I have two Garmin plotters (MFDs) without touch screens and one with a touch screen. I vastly prefer the touch screen and highly recommend it. One of my plotters came with clearvu sonar and it's pretty cool, it produces something like a monochromatic photo of the bottom. Two of my plotters have auto guidance which plots a safe route automatically, which is very handy for long trips. The one without auto guidance is in a little RIB that I only used for short trips. I think any of the Garmin plotters will work fine on the lake with the right chart loaded.
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