Hello from From Corvallis, Oregon. I've paddling for 45 years. Mostly with an Old Town Discovery 169. That boat is now too heavy to lift on the car at 90 pounds. I like having a boat that can comfortable do up to class 3 white water, but also works on lakes and quiet water. I also need a boat that isn't too fragile. My boat has many scratches from landing on the gravel beds of the Willamette River in Oregon, and from occasional bumps and thumps on rocks in the river. I'm hoping for 16' or shorter. Must be tandem. I prefer the toughness of plastic. The lower the weight, obviously the better. Any suggestions for a replacement. - Thanks, Parlando