[quote=Fishmonger] The Exped UL pump design is pretty genious for their new models and saves weight, while keeping moisture out of the pad. [/quote]

Thats pretty ingenious... you know it had to have been invented by some poor trek leader trying to take care of a sick team member who brought a blow up sleeping pad to 12000'. "What (gasp blow) are you trying... (gasp blow)... to do (gasp blow)... kill me (gasp blow)?"