I watch these things move and wonder why a huge amount of effort is going into working on bipedal robots; ie the DRC: http://www.theroboticschallenge.org/
Surely an arm (or two) attached to the top of one of these would allow for almost the same level of interactions, while simplifying the whole "moving around" thing.
I think it's an ergonomics thing. We have spent a lot of years building a world and tools modeled around the bipedal creatures that created them them. One of these would have a hard time going through a revolving or spring loaded door or sit in a vehicle. If we can eventually create beings that integrate with the existing world seamlessly it's easier than adapting everything else.
Surely an arm (or two) attached to the top of one of these would allow for almost the same level of interactions, while simplifying the whole "moving around" thing.