Opeth - Bleak
For smoothness of highs and ability to resolve instruments clearly.
Opeth - Blackwater Park
For "immersiveness", impact, acoustic guitar presentation, and overall balance. Also it's just an awesome song
Rush - Moving Pictures (the entire album)
For midrange, vocals and general presentation
Sepultura - Dead Embryonic Cells and
Nevermore - Dead Heart in a Dead World
For midbass impact and definition
Nevermore - Narcosynthesis
"Can it make me do the heavy metal salute?" (Dynamics and Impact)
Symphony X - V (the entire album)
Guitar presentation
G. Holst - The Planets - Neptune, The Mystic
Smoothness, blending of instruments, sonic character
Rimsky-Korsakov - Polonaise
Blending of instruments
Prokofiev - Symphony No. 1
Timing and lightness