A good photography backpack is capable of stowing essential elements like a full-size camera body, small family of lenses, laptop, tripod, and all necessary accessories. A truly great backpack can carry all of that while being carry-on friendly and providing a high level of comfort and adjustability. The minds at ThinkTank strove to bring that full package with the StreetWalker HardDrive photo backpack. But does it provide enough bang to justify its $229.75 price tag?