Just won some Ebay aucions and found some stuff I'd missed in the books.
Boom Shanker Group - Actually not as bad as someone said. Better than the average Pang bands anyway (the album was released on Büms)
Kalajs - Kom igen/Asocial - In the same vein as Motvid, but heavier.
Fagin - I'd Better Go/Rocksymphony (1978) - Pretty decent late 70s boogie hard rock. They are from Göteborg with a Magnus Rosén and a Peter Jacobsson in the line up. Called Magnus today, but he's in Greece. Will talk to him next week.
Sticky Sweet - Freezin' To My Bones (1989) - Pretty awful sleaze
Umeå Small Band - Bluesy hard rock
Another one that can be written off the list is L.E.G.G. The band was not Swedish, but American - GREAT record though!