Looking at the list:
F16, very good choice but politics plays against it. Probably unaffordable as well.
F/A18, probably too much of an aircraft for their needs and again politics plays against it. Probably unaffordable as well.
Mig29, highly attractive due to prior experience and they can probably get them for a favourable cost. On the other hand the still relatively short overhaul periods and the attraction of the bigger Sukhoi plays against it.
Typhoon, too expensive and like the Super Hornet too much aircraft.
Rafale, too expensive also like the Super Hornet and Eurofighter too much aircraft.
Gripen, excellent affordable choice and there are plenty of low mileage examples sitting in Sweden.
Sukhoi Su27/30, certainly attractive with lots of capability for the price but the operational cost of a large twin engine fighter is probably outside the defence budget.
In conclusion I think they would rank the top three for purchase as:
1)Mig29 variant. (albeit I think they Gripen is a better more affordable to operate choice).
3)Sukhoi Su27/30 variant. (I think it would be too costly to operate but its more of a contender then the other Euro canards or the US types).
The other choices are frankly either beyond their means or too expensive to operate.