Wintersun, Eluveitie, Nightwish, Septic Flesh, Ghost, Amon Amarth, Alestorm etc.
I used to be a masssive Children of Bodom fan too.
EDIT: One of my favourite Eluveitie songs:
[youtube]rvH2r-nEkWM[/youtube]
The whole of Septic Flesh's album Communion, which is fucking amazing.
[youtube]7rFxwG9md3Y[/youtube]
[youtube]ta-Z_psXODw[/youtube]
Shit i've seen live:
Children of Bodom
Cannibal Corpse
Diablo
Disturbed
Papa Roach
Buckcherry (and they were fucking shite)
Halestorm x2
Trivium x2
Fear Factory
Nofx
Opeth
Nightwish
Machine Head
Saxon
Steel Panther
Tenacious D
Skindred
Metallica
Anthrax
Megadeth
Black Label Society
Alestorm
Claim The Throne
Huron
Lamb of God
Ghost x2
In Flames
Rise to Remain
Little Angels
Black Veil Brides (bout 10mins of their set, and it was bollocks)
Ginger Wildheart
Corey Taylor
Edguy
Firewind
Soundgarden (the end of their set, which was Black Hole Sun which wasn't that great...)
Black Sabbath