I'm surprised this thread don't already know about Anekdoten. Since I've learned of so many new bands from this thread, let me try to reciprocate by skimming my own list: -
The Big Wreck, Toska, Karnivool, Night Sun, The Butterfly Effect, Cog, Fair To Midland, The Contortionist, In The Silence, Rishloo, Tesseract, Chevelle, Breaking Orbit, The Pineapple Thief, Pendragon, Plini, Sithu Aye, Widek, Adagio, Scale The Summit, Astra, Arena, IQ, Darkwater, Circus Maximus, Borealis, Pagan's Mind, Andromeda, Freak Kitchen, Spiral Architect, Redemption, Beardfish, Lost In Thought, Moon Safari, Frost*, It Bites, Disperse, Suspyre, Son of Aurelius, Feinstein, Unitopia, Blue Mammoth, Perfect Beings, Prisma, Subsignal, Until Rain, Kingcrow, Dreamscape, Anthriel, Constantine, Black Peaks, Soen, Tides Of Man, Comedy Of Errors, Vienna Circle, A.C.T., Sgt Project, Urban Nomad, Coma, Jinete Azul, Pomegranate Tiger, Shell From Oceanic, Stream of Passion, Ayreon, Renaissance, Mostly Autumn, Look Right Penny, Tuber, Magenta, Kaipa, Triumvirat, Mastermind, Curved Air
You might already know some of these but I haven't had time to properly organise my music list. Hope you find something you like within this mess