Well I finally got to test my Big Agnes insulated air core long mummy shaped air mattress. It weighs just a few ounces less that the huge 3 inch thick over sized long Warmlight Down Filled Air Mattress with pillow. The Big Agnes was comfortable enough and warm enough (I use both on top of a section of a zrester)for an old guy, but it is far less luxurious that the DAM, and it made me long for my pillow. I have to get the valve replaced in my 20 year old DAM. That's why I use the Big Agnes.
Jim
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These are my own opinions based on wisdom earned through many wrong decisions. Your mileage may vary.