YouTube - Blackfield - Cloudy Now
YouTube - Pain of Salvation - Rope Ends (Studio Version)
YouTube - Ayreon - Merlin's will
YouTube - Dream Theater - Six Degrees of Inner Turbulence - Solitary Shell
YouTube - Radiohead Let Down
YouTube - The Butterfly Effect: Window and the Watcher Official Video
YouTube - basso profundo - devotchka

Pain of Salvation is probably my favorite band, though Porcupine Tree (despite there not being a video mentioned here) is a very close second (Steven Wilson might be God).