Awesome trip! My dad and I are building preference points and planning to start applying next year. I hadn't considered it before, but we're definitely going to look for a unit with some decent fishing also!
I took my son when he was 12 but we weren't as efficient as you. Still had a great time and I think that is the trip where he realized he was becoming a man. Congratulations to both of you! I hope you enjoy many more.