Not much to say really except: YEEES! THEY'RE BACK!. I've seen some records that glow in the dark and I now know what I'm getting all my friends for Christmas. Atleast the ones that have Traktor... Or Serato! :)
I guess you need some blacklight for this to work but the UV filter on any movinghead/scanner should do the trick.
They come in Fluorescent Green, Fluorescent Blue and Fluorescent Orange.