Originally Posted by
fuzz2050
If you don't mind a backpack, the
REI Flash 18 is pretty awesome. If you take out the foam back, it compacts down pretty well. It's also comfy as all get out. It's a bit heavier than Hidden Messenger at 10 ounces, or so, but you can shed some weight by removing the back pad and some of the extra straps.
My GF has one of those, and it doesn't have the foam you mentioned. It's a nice pack, and holds more than you think it will. Last time I was at REI I noticed they sold a bag that stuffs into a pocket, and the Flash 18 wont do that.