Nobody said this was strictly salt water. It started out fresh water and inshore fishing and my choice of rod for that is a 5wt. Salt water is another story and for that I use a 6wt in the summer. Also in the summer and it depends where I'm at I will use a 4 wt.
I only have a few rods as I don't feel the need to have one for every different type of fishing. So I will stick with what works for me.