I usually get a new coat and pair of bibs every winter, I already got some this winter and my old ones are still quite nice too. I think next year I may treat myself to a heated jacket instead of buying another work-coat.
I love where battery technology has gotten us / is getting us
anyway the dewalt on low setting runs over 5hrs on their compact lightweight little 1.5AH batteries. Couple batteries to get you through the workday, change em out at lunch time or if it has warmed up and you don't need to.
also I'm a novice skier and tend to end up sweating on a run or freezing on the lift, seems like this might be just the ticket to not try layering up and down all day.