It's been covered before, countries outside the EU will have the VAT subtracted from their shipping cost, this is why the shipping to Switzerland and Norway are free. Iceland is not in the list countries.
This is also why those countries can't pick two cases, since the shipping cost is not...
I had something similar happen to one of my builds, turned out i had somehow managed to switch the 2 4pin connectors around, the Mobo and Gfx ones. Was using a Silverstone SX600-G when it happened, manged to plug them wrong on the PSU side.
After an hour of head scratching i figured it out and...
After spending a while waiting for parts and getting them installed here is the mostly finished build :D
First time creating custom cables. The cables that came with the PSU were already short, but I wanted to go shorter.
All the components in, still need to replace the stock cooler for...