Rammstein - maybe it's because I can't understand the lyrics, but I have yet to find a Rammstein song that I don't like:
[ame=http://www.youtube.com/watch?v=-n-k7KDAn0A]YouTube - Rammstein-Sehnsucht[/ame]
Disturbed - I love the remake of Land of Confusion
[ame=http://www.youtube.com/watch?v=p0tsTgBKmhU]YouTube - Disturbed-Land of Confusion with lyrics[/ame]
Helloween (1987) - Probably before half you kids were born, but still rocks
[ame=http://www.youtube.com/watch?v=yOAl0enE7kI]YouTube - Helloween - Halloween (1987)[/ame]
Iron Maiden - The Trooper - I love Maiden, just picked a random one for this thread
[ame=http://www.youtube.com/watch?v=bZJkywYHVQg]YouTube - The Trooper[/ame]
Old Metallica, nothing after the black album is worth two shits. Even the black album was mediocre at best.
For Whom The Bell Tolls - off of Ride the Lightning
[ame=http://www.youtube.com/watch?v=mNLBaIfZpuY]YouTube - Metallica - For Whom the Bell Tolls[/ame]
Even older, here's Seek and Destroy with the original lead singer Dave Mustaine (Megadeth)
[ame=http://www.youtube.com/watch?v=kTVW0CFefaw]YouTube - Metallica - Live 1983 w/ Dave Mustaine - Seek And Destroy[/ame]