I was in the same dilemma last year. I went to Bi-mart and ended up buying a nice cooler. It worked amazing. Bought the biggest size took it elk hunting and I had ice after 9 days still. But the kicker is you have to pre chill all coolers for them to work properly. The nice was half the price of...
The past few years I have been around the 45 pounds, but each year I find a way to cut weight,It has become a goal of mine. You can weight in many departments from clothes to shelters, sleeping grear. Good luck