Nobletec is now Time Zero so it will be familiar for you to use but with many updates. Depending on you usage you may even want to check out Timezero for iPad as it likely does everything you want/need including radar overlay. Good luck..!
Our 1981 Hatteras 42 LRC came into our lives right at a year ago. Surprisingly Boat US/Geico ended up working with us very well including agreed value based on survey...