Pavement, Echo and the Bunnymen, The Fiery Furnaces, Joy Division, Sebadoh, The Lemonheads, The Pixies, Belle and Sebastian, The Stone Roses, Fugazi, Bauhaus, Dinosaur Jr., The Jesus Lizard, Trashcan Sinatras, Blur, Jens Lekman, Eels, The Posies, PJ Harvey, They Might Be Giants, XTC, Matthew Sweet, Elliott Smith, The Shins

Well, I did try to keep it short. It's mainly indie rock and I'm sure you're already familiar with at least some of them, so that should lessen the list a bit.