Sounds like a great trip. It's tough to put into words and photos just how special that country in Northern Canada really is. A person need to be there to appreciate it fully. Like you mentioned, its nice to know large areas of planet earth haven't been exploited to hell and gone.
When I came back last year from the Yukon, you realize just how fragmented and over exploited everything in the U.S. actually is. I'm left shaking my head when people that supposedly care about what little we have left here that hasnt been exploited, act as if rescinding things like the roadless rule are necessary. What a load of crap and a total joke.
The very worst part of my trip last year was stepping on the plane to leave, like being punched in the guts.
I'm so envious of the people that live in Canada and I hope they keep most of it just like it is. If I had it to do it all over again, I would do whatever it took to become a citizen of Canada.