Hyperreal is a center for information on electronic music and rave culture. They also host Erowid, a site containing loads of information on recreational drug use.

Hyperreal hosts several music-related mailing lists, such as 313. They also have an archive of music equipment reviews, interviews, rave calendars, and eye-candy software. Unfortunately, Hyperreal has a problem with keeping their original software projects in gear, so their Trainspotter (like everything2 but for records) is still only in the planning stages.

You can find Hyperreal at http://www.hyperreal.org