This Camelbak pack let's you carry a water bottle and has space for keys. Not sure I could cram my iP's...
The pink pack is by Nathan and seems to have a little more room than the Camelbak. I also like the fact the zipper pouch isn't mesh which is good for ransom rain showers in Miami.
Nathan which I like because of the reflector. It seems big enough to fit everything I carry.
Do you run? Do you carry one of these bad boys?