Well I passed on the Crestline, but a couple weeks later I'm glad I did! We picked up this one (a Motiv Duet) up at a garage sale this weekend for the same price, and while its entry level it has been immaculately maintained and more importantly it fit perfectly. We practiced a bit in a parking lot to get the feel for it and practice the communicative aspects, then took a 12 mile ride this morning. It went great, and we're already looking forward to our next ride. I can definitely see how people get hooked on this.