But there is a newer version that can be downloaded from here. That includes the newer PowerBooks 3400 and G3 as well as some of the newer Desktop Computers. I might make a new version that supports those Drives, if I have time somewhen. And I already played a little bit around with the CDToAIFF source code, so there is a good chance that there will be an IDE hack somewhen soon. Just check back.
Clicks seem to occure on certain system configuration.
I don't know where the problem is, as it seems to occure very seldom and on any machine. I didn't see any regularity. If you know of anything else, please let me know as well.