The heighth issue is your biggest enemy... I would first ask yourself what type of boating you plan on doing. If it's to riverrun and play, then I would suggest the Fun. If it's to primarily play and you can get into a 2fun, then go for it. But I am thinking that you are going to be too tall.
"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body. But rather...To skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming... WOW !!!! What a ride!!!!!!"