A pair of lungs is lighter than the little inflator looked at here, but the Pad-Pal is, by far, the lightest electric sleeping pad inflator in the world. It is doubtful that anything lighter could be made.
Katabatic Gear make some of the best down quilts available. Three Points of the Compass is fortunate enough to own two of their range. They have been used for hundreds of nights while backpacking and each is amongst my favourite pieces of gear. They are superb. I take a look here at the Katabatic Palisade 30°F and the Katabatic Flex 15°F quilts