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This doesn't seem like it will do much to advance robotics in the private sector (wheels are fine). I'm more excited to see more results from the DARPA arm program (http://www.gizmag.com/irobot-darpa-autonomous-robotic-manipu...) and the Velo gripper (https://willowgarage.com/velo2g).

(wheels are fine)

I disagree with this. Try constraining yourself to a wheelchair for a week or so, and then tell me nothing can be gained from a good set of legs.

Most robots would be confined to one store/space. Especially considering legs double the cost, likelihood of failing, complexity, etc.

I doubt that applies to the robots the military would like to have.