More than a few times, the iTunes CDDB dialog has presented me with insufficient information to gauge the accuracy and thoroughness of superficially identical entries:

This helps me how?

A larger, more detailed dialog would make it clear which entry has accurate information and which contains garbage:

A vertical scrollbar would appear depending on available screen space and the number of matches. It doesn’t look like the CDDB service can provide album covers, but Apple could use the iTunes Music Store or Amazon for cover art.