This is the yarn resulting from the first top I've tried:
One of the first results that come up if you search for yarn shops in Helsinki is Menita . The website doesn't tell you very much, but several other blogs refer to it as the "main" shop to visit and in terms of a proper yarn shop, it certainly is. They have a great big range of commercial yarns including Rowan, Istex Lopi, Drops and many many more, along with the great wall of Finnish produced yarns, which was the most exciting part for me.
This was a colour choice clearly influenced by Marimekko (100% Wool):
This is a rather lovely lace weight in wool and silk with the addition of jojoba oil, aloe vera and vitamin e. I'm not sure what that does for the yarn, but it sounds nice :) I picked up a few of these for christmas presents as well:
And finally, I got swayed by a snazzy sock yarn colour way: