Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Excellent, but...

My wife and I bought this camera two years ago, before our first child was born. We've been very happy with its performance, and found the picture quality much better than other cameras. In the last few months, however, the camera no longer accepts new rolls of APS film. Instead, it changes the cartridge from "new roll" to "exposed," without taking any pictures. We brought this camera to the camera shop, and they told us that it was a common problem with this model, and that it would cost [a lot] to have it repaired. We then called Canon, and they did not admit or deny the history of this problem. They just told us that the new Z3 did not seem to have the same issues.Overall, we really like this camera. We're probably going to try the Z3, however, for our next camera. ...