Confused, looking to purchase new electronics.
Could use some help here from those more knowledgeable than myself. I have had both Lowrance and Humminbird units in the past. My last unit was a humminbird 899? SI unit. It was my first SI unit and for how I fish [bluegill and redear] fishing it was crazy how you could locate beds. So, I had almost made up my mind on a Helix 7SI until I got cold feet after looking at the cover for the sd card slot. Looks like the sd card cover would be very easy to lose. Then I expanded my search to other brands and the confusion multiplied. I looked at Garmin, and Raymarine. Bottom line is that I am looking for a 7-9 inch color unit that does side imaging along with down imaging and internal gps. Garmin looked good but does not support map chips. Ray marine requires a whole separate module for SI. Help me pick a unit. I guess if all else fails I can get the Helix 7SI and put duct tape over the sd card cover so it can't get lost. Also.......is there a big difference in the standard hummingbird SI ducer vs the HD ducer as far as picture quality. Do I need CHIRP??????? Thanks a bunch.
