Heh, I thought this was interesting. You had mentioned Advent Children...it actually has an entry in the unofficial DR database. It's not pretty:
http://www.dr.loudness-war.info/details.php?id=6131
Not too many other VGM albums, but here's a few:
FFVII:
http://www.dr.loudness-war.info/details.php?id=19325
Chrono Cross:
http://www.dr.loudness-war.info/details.php?id=10686 (surprisingly bad!)
Wild Arms Code F:
http://www.dr.loudness-war.info/details.php?id=20463
King of Fighters 95:
http://www.dr.loudness-war.info/details.php?id=6734 (lol, audiophile grade!)