I'll be on shish, looking into how to keep the camera warm. As for batteries, bringing up a good number keeping them close to the body until needed. Word has it that while the cold definitely lowers the battery's ability to supply power, it still holds a charge but must be rewarmed....we'll see. I have a coworker that spent sometime out your way when the temps were around 35 below and came back impressed with how hardy the new digitals are. Not sure that I'll see that low of temps this time of year but trying to take every precaution.
While I have you, I was originally looking at northern outfitters gear. What are your thoughts on their insulated liners and soft shell parka combination? Starting to feel like I've gone head first down the rabbit hole with all the gear choices. Think the biggest think I'm lost on is finding suitable pants. Would you suggest insulated pants with some sort of bib layer, or just a an insulated pant with layers beneath it?
Thanks alot man for the help, it's greatly appreciated.