Göteborg/Gothenburg Record Stores?

Is there anyone here who can recommend some record stores in Göteborg? I'll be there in a couple of weeks and wouldn't mind checking out a few vinyl/CD shops if I have the time. Any recommendations will be appreciated -- especially any store with a healthy dose of experimental/ambient/avant-garde releases and/or a decent selection of used records. But I'll take any info I can get. Thanks!...