Things seem far brighter to me for the scandinavian left
That things are looking well for the left in Scandinavia does not necessarly mean they look good for the Social Democrats though. Sure a switch of power is very likly in Denmark but the Social Democrats still seem to be below 30% in most polls, around 28-29% which is about the same result they had in 2001 when Fogh Rasmussen took power, and worse than they had anytime in the 90's. The left's success is more due to the Socialist People's Party (and to a lesser extent Radikale Venstre) doing well.
Likewise in Sweden, it's really the Greens growth who're giving the left marignal leads at the moment. SAP according to which poll you look at is around the same level of support as they had in the election.