RE: Norseman
I'm not sure about the Coastline kit, but you may also consider the Unionville Hobbies Norseman.
I believe that they have different sizes of the plane available. Unionville Hobbies kits are generally considered to be builder's kits. I built the 6" Otter kit, modified it to be slightly more scale. Flies like a trainer.
Good luck with whichever way you go.
Stan