These were the releases of 2007 I enjoyed most. "Importance" did not factor into this list.

10. Obscurus Advocam - Verbia Daemonicus
9. The Red Chord - Prey for Eyes
8. Hacride - Amoeba
7. Antigama - Resonance
6. Nahemah - The Second Philosophy
5. Ignitor - Road of Bones
4. Watain - Sworn to the Dark
3. Modern Life Is War - Midnight in America
2. Neurosis - Given to the Rising
1. 3 Inches of Blood - Fire Up the Blades

Best of the rest, alphabetically

Aeon - Rise to Dominate
Dark Tranquillity - Fiction
Deathspell Omega - Fas - Ite, Maledicti, in Ignem Aeternum
High on Fire - Death Is This Communion
Impaled - The Last Gasp
Inked in Blood - Sometimes We Are Beautiful
Long Distance Calling - Satellite Bay
Prong - Power of the Damager
Sanctity - Road to Bloodshed
Xasthur - Defective Epitaph

Most improved

The Absence
Demiricous
Inked in Blood

Biggest disappointments

Jesu - Conqueror
Jesu - Lifeline EP
Machine Head - The Blackening

Label of the year

Profound Lore