Old Geezer,
So you don't feel ignored, I am not familiar with those 'yaks so I can't advise. My suggestion would be a Pungo, 12 or 14'. The 12' is usually long enough for stability in most lakes or the ocean and more maneuverable in smaller waters.

I use my 12' Pungo mostly on rivers and ponds and then in the salt and on lakes. I had a 14' Old Town but found it too hard to steer and the extra stability in the ocean was negligable.

Is there a place where you can try one out. That can make a difference, especially concerning the seat and the area in the cockpit.

Hope I did not muddy the waters too much.

jed