If we're making predictions, my guess is something like (top to bottom obviously)
Hammerheart
Rust in Peace
Seasons in the Abyss
Painkiller
Fallen Angel of Doom
Cause of Death
Left Hand Path
By Inheritance
Tortured Existence
Piece of Time
(11)Cowboys from Hell
EDIT: Forgot Painkiller. Not sure if Cowboys would stick on or not after that; I figure Ozzman and one or two others will give it very high ratings and it will only need a few low votes to make it on, but same could easily occur for any of those albums.
Not sure how this forum views Spiritual Healing either, maybe I'm underestimating it relative to the other death metal on the list.