Not necessarily in order from most to least favorite...
Queensryche, Operation Mindcrime (Part 2 is a joke)
Fates Warning, A Pleasant Shade Of Grey
Kamelot, Epica
Symphony X, V The New Mythology
Kamelot, The Black Halo (though Epica is my favorite)
Pyramaze, Legend Of The Bone Carver
Shadow Gallery, Tyranny
Labyrinth, Sons Of Thunder