There are so many!
The Raveonettes, Le Sport, The Sounds, Serena-Maneesh, Acid House Kings, The Cardigans, Dungen, The Legends, Annie, Figurines, Caesars, Gentle Touch, The Knife, Sondre Lerche, Tribeca, Royksopp, Loveninjas, Lovekevins, Irene, Afraid of Stairs, Alice In Videoland, TIAC, The Concretes, Jens Lekman, Sahara Hotnights, The Radio Dept. and much much more.
Suggestions for Scandinavian bands I should check out are always welcome.