I could never afford one when they were semi-popular. I knew some people that had them though. Archive: https://archive.today/JLPKD From the post: >>A while ago I wrote about my early experiments with modifying the firmware of the Sony MZ-RH1, mainly driven by one long-standing annoyance: not being able to see track titles on the unit itself during playback. That post demonstrated a proof-of-concept, which was not ready for release.