got a Cold Cold World "Chaos" pack for sale. Size large, 4300 cubic inches. 3.75 lbs.
Asking $150 obo + shipping. Used 3 times. In pretty good shape. Has gear racking loops, removable bivy pad, crampon pouch, axe loops.
more info here: http://www.coldcoldworldpacks.com/chaos.htm
Shoot me a pm if interested.
Cheers, cdog