How much are you looking to spend?
I have a loaded 2013 Sabre with 36 hours on it.
150 Proxs
80 lb. Ultrex with link
Helix 9 GN2 SI at the console on a Bass Boat Technologies mount
Helix 9 DI at the bow
All linked with the HB network hub
Bluetooth stereo
Smartcraft tachometer
Hotfoot