The web site isn’t very informative to me. I can’t figure out if I should buy two of the more expensive Solix 12 Gen 2s or one expensive one and one of the cheaper CHO models that doesn’t come with side imaging. Im not going to network them because of all the issues I read about in here of them locking up. I will have a need for four things: navigation, 360, Airmar B75M CHIRP, and the transom DI/SI transducer