There is a major hardware update which gives flawless touch, flawless fadermovement as well as solving many connectivity issues regarding many different software. This was the SAC-2K's major problem and it was not easy to solve. However, it is done and the performance level is night and day regarding improvement as well as a user's satisfaction level.
THIS UPDATE IS A FREE UPDATE to all previous owners. Aside from shipping, the labor and the hardware costs nothing.