I have been searching for a replacement sleeping bag for my 30 plus year old Snow Lion Mt. Light. I reallly want a Western mT UL but hate to spend the money. Looking at Marmot Helium as well. I know it is a life time investment, But dang it backpacking gear on average goes up in price about 100.00 a pound. That is in lost weight! Why are those lighter feathers so much more than the heavy ones! After my Smokies trip I have the bug, I will save and get what I need to drop the pound or so in weight! Might be worth it I can take a little more Vodka and Tang Happy Trails! Ps. I guesss in perspective my snow lion cost about 120. 00 in 1980 or so. It has served me well! So I guess with inflation wmul is a deal? Is the cup half full or half empty?