Try some of these:
Angel Dust: Bleed
Angra: Angels Cry, Rebirth, Spread Your Fire
Ark: Burn the Sun
Blind Guardian: Imaginations From the Other Side, And Then There Was Silence, Into the Storm, Mirror, Mirror, The Wizard (a Uriah Heep cover, but your old-timers may appreciate that)
Brainstorm: Beyond My Destiny, Meet Me in the Dark
Circle II Circle: Watching in Silence
Crimson Glory: Where Dragons Rule, Valhalla
Dream Theater: A Change of Seasons, Pull Me Under, Metropolis Part I, The Glass Prison
Edguy: The Headless Game, King of Fools
Elvenking: Pagan Purity, The Divided Heart
Evergrey: The Masterplan, When the Walls Come Down, Blinded
Fates Warning: Through Different Eyes
Gamma Ray: Heading for Tomorrow, Land of the Free
Helloween: Halloween, Eagle Fly Free, I Want Out, Keeper of the Seven Keys
Iced Earth: Dante’s Inferno, Coming Curse
Jorn: One Day We Will Put Out the Sun, Lonely are the Brave, Starfire
Kamelot: March of Mephisto, The Haunting, Rule the World, Center of the Universe
Labyrinth: Heaven Denied
Leprous: Bilateral, Thorn
Luca Turilli: Kings of the Nordic Twilight
Masterplan: Back for My Life, Enlighten Me, Heroes
Mercenary: Firesoul, Seize the Night
Mob Rules: Black Rain, Astral Hand, Children of the Flames
Myrath: Tales of the Sands
Nevermore: Believe in Nothing, Enemies of Reality
Nightingale: Shadowland Serenade
Nightwish: Bless the Child, Nemo, Ghost Love Score
Opeth: Blackwater Park, Deliverance, The Night and the Silent Water, Benighted
Orphaned Land: Mabool (the Flood), Sapari
Pagan’s Mind: Eyes of Fire
Pain of Salvation: Inside, Used, Waking Every God
Porcupine Tree: The Sound of Muzak, Shesmovedon
Powerwolf: We Drink Your Blood, Night of the Werewolves
Pretty Maids: Pandemonium
Primal Fear: Sign of Fear, Face the Emptiness, Fighting the Darkness
Queensryche: Walk in the Shadows, Empire, I Don’t Believe in Love, Eyes of a Stranger
Royal Hunt: River of Pain
Sabaton: Attero Dominatus, Masters of the World, Panzer Battalion
Savatage: Dead Winter Dead, Edge of Thorns, Gutter Ballet, Hall of the Mountain King, The Hourglass
Shadow Gallery: Mystery, New World Order
Stratovarius: Eagleheart, I Walk to My Own Song, Black Diamond, Hunting High and Low
Symphony X: The Odyssey, Children of a Faceless God
Tad Morose: Anubis, Ethereal Soul
Therion: Seven Secrets of the Sphinx, The Blood of Kingu, Lemuria, Clavicula Nox
Threshold: Phenomenon, Falling Away, Narcissus, The Ravages of Time, Pressure
Thunderstone: Forth Into the Black
Vanden Plas: Rainmaker, Crown of Thorns, Phoenix, Point of Know Return (again a cover to ease the transition)
Vanishing Point: Surreal, Once a Believer, Surrender
Voyager: Seize the Day, Meaning of I, Fire of Times, She Takes Me (Into the Morning Light), Everwaiting, Sober, Cross the Line, Total Existence Failure
Wolf: At the Graveyard, Seize the Night, Evil Star, Don’t Fear the Reaper (another cover)