Megadeth - 3 times
Dream Theater - 2 times
Black Sabbath
Down
Red Hot Chili Peppers
Iron Maiden
Symphony X
Nevermore
Dry Kill Logic
Bobaflex
Fear Factory
Bullet for my Valentine
Mars Volta
Life of Agony
Overkill
Arch Enemy
Lamb of God
Opeth
Into Eternity
sanctity
smashups
Australian Pink Floyd tribute

A couple other Pink Floyd tribute concerts

Concerts coming up: Tool, Rush.

Concerts I could have gone to: Placebo, Roger Waters, Pearl Jam, Foo Fighters, G3, Metallica

I'm missing others, can't remember which.