I bought a duckey from Sportsman's Warehouse before I started kayaking a couple years ago. If I remember right, you can pick one up for about $400. I took friends down Westwater and Gunnison Gorge with it and had a good time. However they are made of pvc which must be kept inflated in storage or it tends to crease and then crack on seams. I've done this and it sits in my garage fulley inflated and ready to go. In fact, I don't really think I need it anymore. If you are interested in buying it, give me an offer.
Curtis
970 210 4356
cemartin@simla.colostate.edu