"The revolutionary capability of this human powered model is proof-in-principle for the SpringWalker concept...
...The personal vehicle for the 21st century will have you trotting four-minute miles without tiring and scrambling up a mountain like an ATV. Look for this and more as our work progresses."
Have you watched the video clip of the guy walking up the street? Doesn't look like it's giving him much amplification, to be honest. Does look damn cool though.