I had been planning on getting a new camera sometime soon so that I wouldn't have to deal with this problem anymore. Now I'm considering what I can do with my existing software to minimize the effects of the problem. I noticed that Graphic Converter has a Remove Bad Pixels option that can use a picture taken with the camera that should be all black to remove defects in other pictures. This may be a reasonable temporary solution but more testing is required.
Went down to Faribault this morning to see