Just a quick post this time. Somehow I never came across the Positive Sounds soundsystem at the time, but I certainly heard about them later on, and I believe I saw the latest incarnation of their rig a few years ago at a snowboarding event (not 100% sure about this one).
However, I have hung around in Brighton, town of perpetual slackers/students/house parties/Ovingdean/Rottingdean beach parties/ reggae / Essential Festival etc etc, so I have a vague idea that Positive Sounds raves were really rather top
Today I stumbled across a link to this article on Positive Sounds and how they started:
on this blog:
http://history-is-made-at-night.blogspot.com/
(well worth a read, loads of relevant/interesting stuff on there).