This is just my opinion but. Get the biggest screen you can afford, and get something with nmea 2000. That way if you want to add autopilot or another screen later you can. Also think about buying used. The price is a 1/2 the cost of new. Other than that. Manufacturer is personal preference. All the major manufactures make good stuff Go some place like west Marine and try some out. I hope this helps. Oh. P.s. side scan and structure scan will be usless salmon fishing, there for shallow water Sent from my moto g(6) using Lake Ontario United mobile app