Thanks very much for these many excellent posts, JITF!
Unfortunately, some of the shows I've downloaded appear to be from lossy sources, namely:
Metallica 1983-08-28 La Cruces, New Mexico
Metallica 1994-07-13 Saugerties, New York
Metallica 1999-07-16 Lisbon
However, Metallica 2004-09-03...