It performs beautifully and brings pleasure to music lovers all over the world. The design has proven to be rock solid with long term stability and reliability.
Even after 10 years of production, there was very little that could be done to ‘improve’ the 20/20.
Also, over those many years, there have been just a few things that caused some customer questions. Since it has been the same short list of concerns, it was worth taking a look at. Might be a chance for improvement.