I've had, for many years, a Golite Fur quilt which was synthetic and, while light, bulky. I've been waiting for a decently priced, lightweight down quilt and finally GoLite heard my prayers and came out with the 20F Ultra down quilt.
"A premium 800-fill goose down, 20º sleep system that offers superior warmth, unmatched comfort and versatility for the ultra-lite purist. Waterproof Pertex® Endurance Arid Zones™ at the head and foot of the bag protect against condensation in critical areas. The comforter-style top can be attached directly to a sleep pad at variable girths for ideal temperature regulation."
At 1#3oz the weight was right...it's a little pricey but since I've been waiting so long, I was forced to buy it...it is so much easier to use a quilt in a hammock than a sleeping bag and actually, I didn't have anything that was in that temperature rating, quilt or bag, so, I guess I can justify it.
At least I got it with free shipping