It tracks well in flat water, making it easy to keep a straight course. It is easy to paddle solo. It can handle mild white water as it responsive and turns fairly easily. However, it is not a real white water boat. A real white water boat has more rocker and higher sides. So, the Adirondack can run class 3 rapids (possibly 4) but don't expect it to play in the features without taking on water. But if you want a durable, all around boat that tracks well then this is your boat.
Last summer I finally found a place to buy Lincoln kayaks and got a Quoddy Light LV (glass/composite). I love it. It is stable, responsive, but turns on a dime. It is also pretty light, so it is easy to put on and take off my roof rack. I wouldn't do class V white water in it but I am getting too old for that anyway. It doesn't have a lot of storage space but more than enough for day trips.