CAMELBAK Octane Hydration Pack

Bargain for those looking for slightly larger pack for all day epics or the commute - 85 bucks:

http://www.torpedo7.com.au/products/CMHYPN9OC

Disclaimer: Yes, yes, we get a small kick back from T7 (if using links from our site), but you note the complete lack of promotion usually. IMHO the above deal is very nice though, wish I'd posted up when they had similar offer on the M.U.L.E. now.