I would also recommend AB marine as I have used them previously also.difficulty is that Jabins charges you every minute you stay there. I agree about using the below deck pilot. In retrospect I would do the same
I installed a X-5 Raymarine on Haleakula when they first came out and other than a minor reversal of two wires have never had a problem with it once. She has been used pretty extensively on trips to New England without a hitch. Advantage is it hooks in without C-80 chart plotter.