The mono is better, but prior to the recent Shout Factory blu-ray it was sourced from a higher-generation element that doesn't sound good -- still better than the 5.1, but rather dupey sounding. The old Fox LaserDisc is free of the destructive filtering on the Collector's Edition DVD, but similar overall. The Shout Factory mono is much more detailed and sounds superb, obligatory Shout-imparted clipping aside.
