> "The C64 SID is generally considered the best soundchip made."
Best for the time, I'd agree, but I'd suggest it's been surpassed since. Of course the SID still has its charm, when I say surpassed I mean in terms of flexibility.
IIRC the designer of the SID went on to design some of the early high-end PC sound cards.
But with a DSP you can do not only sound, but this (Atari Falcon demo) https://www.youtube.com/watch?v=_cKRZ8QgH5o