See parts ONE, TWO and THREE
This time, they're in chronological order
Sempiternal Deathreign - The Spooky Gloom 
Here's a band every Obituary fan should listen to and realize how foolish they've been to have worshipped that overrated tripe. Sempiternal Deathreign was probably the ORIGINAL death/doom band. This album came out a full two years before Autopsy's Mental Funeral, and one year before Winter's Into Darkness. Basically, it's really raw, ugly doom/death, influenced primarily by the likes of Hellhammer and Black Sabbath, as well as classic Teutonic thrash (Sodom, Kreator). And unlike the aforementioned Obituary, their solos AREN'T the only interesting thing about their music. There are some actually great riffs to be found in here. Songs range anywhere from 1:55 to 10:53, so there's plenty of variety here, as well.
Traumatic Voyage - Traumatic Voyage