Here's the first insight into the running order by days:

TUESDAY, 12.7.2011:
Airbourne, Arch Enemy, Brujeria, Moonspell, Death Angel, In solitude, Ritam nereda, October file

WEDNESDAY, 13.7.2011:
Wintersun, Legion of the damned, Mastodon, Kylesa, Katatonia, Brainstorm, Taake

THURSDAY, 14.7.2011:
Slayer, Kalmah, Die Apokalyptischen reiter, The ocean, Watain, Hate

FRIDAY, 15.7.2011:
Blind Guardian, In Extremo, Powerwolf, Mercenary, Zonaria, Arkona, Alestorm, Evile

SATURDAY, 16.7.2011:
Kreator, Accept, Virgin Steele, Moonsorrow, Deicide, Amorphis, Ava inferi

More info will follow soon...