+2 Katatonia is a killer band, the one right before that, the Great Cold Distance I think is their best, but that is close behind.
Listening to another great progressive harder rock band.
Caligula's Horse - Moments From Ephemeral City (2011)

samples -
http://caligulashorse.com/album/moments-from-ephemeral-city/ (check out the first track) The guy has a hint of Maynard's nasally tone, but the music is much more progressive sounding and less dark.