DOne into the ground I'm sure...

[Valtiel]

But can anyone recommend some macabre and dark classical, progressive rock, or anything organic sounding???

 

[N3Rv3]

Check out Dredg and Porcupine Tree.

 

[Valtiel]

in progressive rock I'm looking for something more like Opeth's Deliverance and Akira Yamaoka's Silent Hill works...

 

[WarHammer]

Hate to say it, but I don't know of any band I would compare to Opeth. Darker metal bands, like early Cradle of Filth which I felt had some progression. I would say check out Pain of Salvation, as they are a little darker as well, though not too extremely dark.