In reply to geoff s:
Plenty of resources in norwegian... This one pretty much sums it up:
http://www.norgepaalangs.info/ (in norwegian, but try google translate)
some 270 trips have been completed since 1966, so you'll not be breaking trail exactly. Anyway, it is a big undertaking, but also a fantastic trip! Well worth it.
http://www.fjellforum.no/ is a quite good forum for more recent updates, tips etc.