As the snow of East Coast SnowCastrophe 2011 phases into ice and slush, I imagine as folks start venturing outdoors it's still no mean feat to get from point A to point B. (I can literally only imagine: here in Northern CA it's bright, sunny and warm.) But I bet a robot like this would be handy to get your stuff across those ice-encrusted sidewalks or through those snowdrifts surrounding your house:
Fast forward to 0:50 to see how it handles the ice. Learn more about the BigDog robot on Wikipedia.
YouTube: BigDog Overview (Updated March 2010)