What are the cons of going with a semi-modular like the Future Retro XS or Analogue Solutions Telemark ? Is my understanding correct, that you could get one of these, and a small rack to add filters, lfos and additional oscilators as needed? Is there a standard CV, or do systems take some trickery ...

I built my own modular without spending a fortune. There are plenty of corners that can be cut that don't effect the sound or usability such as plastic panels and cases, perfboard, not too many knobs etc.etc. Definitely takes a lot of time and patience though. It is cool idea to build a system one m...

If you are into CSound, make sure you check out "The CSound Book", it's huge and covers so much stuff...enough to keep you busy for years