Already a whole lot of great stuff announced. 2013 will be a hard year to top but I think these bands can do it easily.
Mare
Teitanblood
Dead Congregation
Bolzer
Nyogthaeblisz
High Spirits
Domains
Hetroertzen
W.A.I.L.
Mare
Teitanblood
Dead Congregation
Bolzer
Nyogthaeblisz
High Spirits
Domains
Hetroertzen
W.A.I.L.