If I am going to be slow boating, I prefer sailing. It is the most
economical and the quietest.

I would agree that quiet is nice but going dead to windward (or with no
wind) at 9 kts has its attractions also, as does the comfort factor.
It would take a sailboat of at least 80 to 90 feet to equal the
interior space of our GB49 and it still would not have the visibility
from the flybridge or the stability of gyro roll stabilizers.

Economy is open to question. Sails for large boats cost $10 to $20K
each and require constant repair and replacement. I used to spend over
$5K a year on sail repair and replacement on my old 34 footer when I
was racing it seriously. That will still buy a lot of fuel even in
these inflationary times.

One of the things that I've noticed about cruising sailboats is that
about 95% of them are under power, rising to more like 99% if they are
really trying to get some where, or are in constricted waterways. If
you are going to be under power most of the time anyway, why not get a
boat designed for it?