Megadeth and Iron Maiden

[Xen]

Blind Guardian, Iron Savior (too fucking cheesy not to be liked), Nightwish (mostly old stuff), Avantasia, Helloween, Firewind, some Children of Bodom (pre blooddunk mostly), a huge lot of Swedish melodeath, Draconain, Illnath, Behemoth, Limbonic Art... just off the top of my head...