I've become aware of
http://www.sugarmegs.org. There's a lot of Gord material there, some of which is VERY vintage and rare. One file in particular is 32 tracks of circa '64-'66 Warner Bros. demos. I'd never heard ANY of this stuff before. The site is friendly to non-techies(hell, I figured it out!). There is no registration required, and the material is downloadable.