In propaganda war, truth is not an issue
I think this is a sign on that the fighter procurement, especially in Norway, more has turned into an political issue. Missinterpret me right now - I don't imply that technical features is unimportant but more that, if the contenders meet the technical requirements, which the Norvegian government has said both contenders do, then the political view will be what decides the outcome.
I've noted that you've hinted at it. I must say that the SAAB strategy of getting a great number of politicians and companies at "the grassroots level" involved in the Gripen seems quite effective in creating a "groundswell" of upward pressure into the decision making process. It's also known as pork barelling in the US. It doesn't seem that SAAB has gotten the same traction in Denmark.
If you compare this strategy with what has happened in Australia, where a small group that think they stand to benefit from an alternative choice - APA - they waged their war against the F-35 (and any other aircraft than the F-22A/F-111) by media sniping and suggestive but unsubstantiated injections into the media. They tried to create a pressure with the purpose of tying up Australian politicians (like the ever encumbent opposition, which will always like to have an alternative policy, heh! look what happened with approaching the yanks re the F-22A). That was a misfire.
If stealth is a must for Norway and if choosing a non US fighter aircraft would severely affect US norwegian relations in a negative way long term, then I think Norway will choose F35. If not, then I think Norway will go for Gripen. A Norwegian/Swedish industry cooperation is very attractive for Norway and offset business is something that goes beyond "normal" business practices... I.e, otherwise not allowed. I think the Wallenberg group is very difficult to beat industry wise, even for the US government.
I really don't think relations with the US is an issue. Norway and Denmark buy their equipment from very diverse suppliers. Tanks from Germany, IFVs from Sweden, radars from Holland, wheeled APCs from Switzerland... Denmark has even operated a Swedish jet, the JAS-35 (AKA the F35 in the RDAF), without any implications.
The "core goodwill" of the US is not at stake.
If the difference in capability between the two jets become a serious parameter, then it is because Norway thinks it is needed to better counter Russian ambitions.
Overmatch keeps a lid on things.
The latest Russian/Georgian war might also affect Norway's choice of fighter aircraft if Norway thinks that Russia, in general, will be more agressive - that definately strenghtens "the US card".
http://www.nordlys.no/debatt/leder/article3758126.ece
They say the same as Tomas Ries - Georgia had an impact on outlook.
NATO is the only entity with the strength to back up Norway. Yes, Nordic summed GDP, manpower, defence industry, geographical depth is impressive - but even combined it would still be a player like Canada...
And the Russian would love for a Nordic alliance to happen - they're quite uncomfortable with dealing with NATO/EU as a bloc; they try to deal with the West in as small entities as possible, strengthening their hand. Which is why the purpose of an Nordic Alliance seem dubious, because at the end of the day, we'd have to call on NATO anyway.
The reason why a Nordic Alliance is on the agenda is two-fold. The first reason is that Norway try to get as close to EU defence as possible, without being a member of the EU. Sweden is trying to get close to NATO as it can, without being a member. Now an effective ESDP looks to be a decade or more into the future...
The second reason is because Swedish defence industry are being cut in R&D and on acquisitions. They're looking to corner the market in Scandinavia as a new base, now that the Swedish doesn't have critical mass. That's my two bits.
That being said there is plenty of scope for increased cooperation. E.g. the NBG. The Norwegians are working on the NATO certification of Archer, Denmark looks set to move its mil ATC training to Sweden, etc...
Oh, yes. And if Denmark chose the F-35 we'll desperately need access the Vidsel range, as it's probably the only one large enough in Europe to accomodate the sensor footprint of the F-35.