You might want to list this on http://launch.groups.yahoo.com/group/nyckelharpa/ there are over 200 members of the nyckelharpa yahoo list. (or if you want i can post a message there for you)

There is also an organization for 'harpa enthusiasts...here:
http://www.nyckelharpa.org/

I would love to upgrade to another instrument, but,alas, my budget does not allow!

best of luck. (did you enjoy playing it? What tunes did you learn?)
I spend a week each June at scandinavian music and dance camp learning new tunes!