Heintooga,
I was wondering how your search was going. I have a 20 year old super Kodiak - goretex and extra down. It was rated at -5 and weighs 56 oz. I am not nearly as warm of a sleeper as I used to be and I was comfortable last week and the temps in the tent were in the high teens.
Its a HUGE bag. A bag with that much girth isn't as warm unless you fill it. Mine has 2 bands of elastic added that go around from zipper to zipper, one above the knee, one at the hips. It is made with 1/8" elastic so its flexible enough to let you stretch or wear anything you want inside it.
Its a nice bag with a warm foot place.
Jim <img src="/forums/images/graemlins/cool.gif" alt="" />
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These are my own opinions based on wisdom earned through many wrong decisions. Your mileage may vary.