I recently compiled a list for my facebook page (which in turn was taken from last.fm) that's roughly in order, and begins to approach the magnitude of my love of music. So here it is...
Sigur Rós, Broken Social Scene, Mono, Dreamend, Explosions in the Sky, The Arcade Fire, Do Make Say Think, The Chemical Brothers, The Mad Capsule Markets, Godspeed You! Black Emperor, Radiohead, Thee More Shallows, The White Stripes, Mogwai, Sufjan Stevens, The Decemberists, M83, Death Cab for Cutie, Neutral Milk Hotel, Wilco, Doveman, Beck, Aphex Twin, Brian Eno, Nick Drake, Feist, Royal City, LCD Soundsystem, Stars, Dr. Dog, Jimmy Eat World, The Dears, Luke Temple, The Album Leaf, L'Spaerow, Bishop Allen, Black Lipstick, Page France, The Fiery Furnaces, Led Zeppelin, The Shins, Final Fantasy, Talking Heads, Milhaven, Van Morrison, The American Analog Set, Velvetron, Johnny Cash, The Books, The Wrens, Thao Nguyen, The Cult, Labradford, Imperial Teen, Death From Above 1979, Department of Eagles, Man Man, Ratatat, Flotation Toy Warning, Tortoise, Architecture in Helsinki, Slint, Les Georges Leningrad, Magyar Posse, Kasabian, Isis, Flying, The Pixies, ! !!, Straylight Run, Of Montreal, Shining, Ennio Morricone, Chin Up Chin Up, The Polyphonic Spree, Mirah, The Velvet Teen, Neu!, The Evpatoria Report, The Wedding Present.