Hi Thomas, I know what you mean about the demoscene being rather underground. I only stumbled upon it because of some demos included with an Advanced Gravis soundcard I bought years ago.
yeah the demoscene strongly supported the GUS back in the day! i never had one, so i would know

Some of today's demos require highend hardware so it's useful if they are on youtube, although I'm sure they lose much in picture quality.
indeed;
one of the most spectacular demos i've seen recently really nails my very high end card, but then one gets absolutely amazing graphics at high definition resolution (1920x1200).
I try and keep an eye out for Assembly and other "Party Places". The youngsters come up with all kinds of interesting ideas for art and music. Once I found a piece of music I liked a lot, and a few years later, found another piece, and a few years after that found that they were actually by the same person. One was released under his scene alias, the other under his real name.
assembly has become really commercial and many feel that it's lost its scene spirit. these days the real party is
breakpoint.
regarding music, my favourite music is also produced by demoscene folk, in particular by brothomstates / lassi nikko (finland is an amazing place full of amazing people). if you like demoscene music, and have a broad appreciation, check out the many-cd demovibes compilation:
http://www.demovibes.org/Many of the Finnish demo groups get broken up when the members are conscripted into the army!
that's always been the case and will continue to be the case of course

it's surprising what a technical and musical powerhouse finland seems to be; finland is winland!