autopilot help

[b-rad]

So it would appear I'm about to be the victim/owner of a new boat. Boat is a bit bigger then what I have owned in the past and a lot heavier then what I normally work with.
43 ft boat 35000 lbs with hydrolic steering. Boat has no pilot installed and that's going to be one of my first buys. Looking at options from hydrolic, standalone hydrolic, and completely electric linear drives( I've installed and used these before and always worked great) Any suggestions or advice greatly apreicated.