I came across this once at the Kreator message board. No Opeth mentioned though.
Metal/Hard Rock Album Sales In The US As Reported By Soundscan - Mar. 2. Here are some of the latest sales figures for various current and catalog metal/hard rock releases in the US (in total units sold to date since the albums were issued), as reported by Soundscan for the week ending February 24th, 2002:
AMEN - Amen: 16,353
AMEN - We Have
: 15,789
ANTHRAX - Sound Of White Noise: 511,105
ANTHRAX - Stomp 442: 114,974
ANTHRAX - Volume 8: 77,858
BIOHAZARD - Urban Discipline: 204,799
BIOHAZARD - State Of The World Address: 198,663
BIOHAZARD - Mata Leao: 51,377
BIOHAZARD - New World Disorder: 50,936
BIOHAZARD - Uncivilization: 18,835
C.O.C. - Wiseblood: 141,383
C.O.C. - America's Volume
: 52,170
CANNIBAL CORPSE - Gallery
: 51,164
CANNIBAL CORPSE - Bloodthirst: 36,128
DESTRUCTION - All Hell Breaks Loose: 3,080
DESTRUCTION - The Antichrist: 1,692
DREAM THEATER - Awake: 272,044
DREAM THEATER - Falling Into Infinity: 142,167
EXODUS - Force Of Habit: 52,262
EXODUS - Another Lesson In Violence: 7,241
GLASSJAW - Everything You Ever
: 35,306
HALFORD - Resurrection: 60,275
HALFORD - Live Insurrection: 24,478
JUDAS PRIEST - Jugulator: 108,009
JUDAS PRIEST - Demolition: 40,945
ICED EARTH - Something Wicked
: 40,336
ICED EARTH - Horror Show: 29,838
IRON MAIDEN - Brave New World: 233,706
KING DIAMOND - Spider's Lullaby: 29,214
KING DIAMOND - Voodoo: 32,785
MERCYFUL FATE - Dead Again: 22,195
MERCYFUL FATE - 9: 20,729
KREATOR - Violent Revolution: 2,351
MACHINE HEAD - Burn My Eyes: 144,465
MACHINE HEAD - The More Things Change
: 114,648
MACHINE HEAD - The Burning Red: 133,421
MACHINE HEAD - Supercharger: 41,622
MEGADETH - Youthanasia: 890,015
MEGADETH - Risk: 303,472
MEGADETH - The World Needs A Hero: 191,852
MORBID ANGEL - Formulas
: 42,819
MORBID ANGEL - Gateways
: 30,372
SEPULTURA - Chaos A.D.: 450,365
SEPULTURA - Roots: 355,471
SEPULTURA - Nation: 54,160
SKINLAB - Bound, Gagged
: 14,756
SKINLAB - Disembody
: 35,324
SLAYER - God Hates Us All: 170,411
SOIL - Scars: 112,614
TESTAMENT - Low: 112,365
TESTAMENT - Gathering: 50,301
VOIVOD - Outer Limits: 21,355
VOIVOD - Negatron: 8,044
VOIVOD - Phobos: 3,687