Blu-Ray
It's finally coming to Blu-Ray from Kino Lorber, by special arrangement with MGM. Due October 20th.
http://www.amazon.com/Slam-Dance-Blu-ray-Tom-Hulce/dp/B012BUQOQA/ref=sr_1_7?s=movies-tv&ie=UTF8&qid=1438108190&sr=1-7&keywords=kino+lorber
Sadly, outside of the film's trailer, it looks like they didn't even bother to include the music video that was on the original VHS tape. In short, it's a bare bones release.
http://houstonrambler.blogspot.com/