The full TOC used to be displayed with a discId e.g. http://classic.musicbrainz.org/show/cdtoc/?cdtocid=153202 vs. http://musicbrainz.org/cdtoc/bFqt_j0GulUOwuZMPXdd.7OY9h0-
(hey, the rounding for length changed....)
This was very useful/convenient for testing and would be useful to have back.