oooh this is difficult
In no order:
~ Bring Me The Horizon
~ Amon Amarth
~ Bullet For My Valentine
~ System of a Down
~ Elveitie
~ Ensiferum
~ Wintersun
~ Iron Maiden
~ Rise Again
~ Scorpions
Runners Up:
~ Children of Bodom
~ Devil Wears Prada
~ DragonForce
~ Evergrey
~ Slipknot
~ Sonata Arctica
~ Blind Guardian