I'm gradually going through digitizing it, and I've already fallen in love with some gems:
Derrick May 'Wildtime Remixes" -- this is Derrick's bootleg remix/re-edits of "Wild Times" by De Lite (not Dee Lite). As far as I can tell the original was a freestyle track, but Derrick turns it into a rollercoast of proto-electro dub.
Indigo Tracks 'Rite Of Passage' -- a Prescription record that is basically a sparse pair of drum tracks, but very, very awesomely funky.
George Kranz 'Din Daa Daa' -- George Kranz did this piece of 80s nuttiness and based a career around it. It has been samples a zillion times, most recently on a banging Chez Records Remix, but there's nothing better than the original. The dub side is extended with all sorts of extra goofy breaks and clumsy razor blade edits. Awesome! And hats off to the dork who transcribed the lyrics.
Liquid Liquid epoymous EP. These guys were some Downtown NYC No Wavers in the late 70s and early 80s. Their main claim to fame was that the track "White Lines" by Grandmaster Flash and Melle Mel, but the original is a wonderfully raw, primitive, live banger.
I do like stuff being produced these days too, but there is a whole world of dance music from the last 40 years to explore, and I've only just begun.