I guess I am still old school but does anyone else use an external? it seems I never see anyone with them anymore. I like it so much more than an internal, like the weight carrying capacity and walking upright. I live in Florida and most trails here are dry so carrying 3 or 4 days worth of water adds tons of weight. Last fall while hiking the AT in GA it was a lifesaver. There was almost no water sources flowing I ended up carrying tons of water. I left Neel Gap with 7 liters and although it took my pack to about 33 lbs I didn't even bat an eyelash. Just wondering if there are any other out there