Originally Posted by lovescakemix
You can't take the trackball off the 8320 without taking it apart, unless you found a new way of doing it.
I am not sure what you are thinking here. The only way I have seen to change the trackball on an 8320 is to pop the trackball's chrome trim ring off and pop the trackball out, pop the new one in and replace the trim ring. Total time - one minute.