This may be of interest to some on here - I have recently returned from 3 weeks couloir skiing in Gibbs Fjord on Baffin Island. Blog posts will slowly be coming on line here:
http://offpisteskiing.blogspot.fr/2016/05/baffin-island-skiing-ancient-hall...
It is probably fair to say that Baffin Island holds the best couloir lines on the planet (and Gibbs Fjord has the possibly the highest concentration of these - compared to the spaced out lines of Sam Ford)!