Best Death Doom? Hmm, I'd take into consideration:
Thorr's Hammer - Dommedagsnatt
Winter - Into Darkness
Goatlord - Reflections of the Solstice
Paradise Lost - Gothic
Esoteric - Epistemological Despondency or The Pernicious Enigma
My Dying Bride - hard to name a release there, perhaps first 2 or The Dreadful Hours
Would be my choices.
err
none of those are even close to being top tier death doom or funeral doom. MAYBE thorrs hammer
winter is what metal hipsters quote
paradise lost...bleh
esoteric that is a good album but in the same league as ahabs debut? please man....
MDB and goatlord...come on now
off the top of my head, over the ones you quoted, i'd take albums from Morgion, Saturnus, acid bath, disembowelment, evoken, inborn suffering, void of silence, the prophecy, runemagick, mythological cold towers....