I'd give my hind teeth to have an Iron Man suit, looks like the idea, which was once but a dream, is now firmly rooted in fact:
http://hplusmagazine.com/articles/robotics/cyborg-exoskeletons-may-soon-become-common-bicycles
I so want one of these!
More exo-linkage: http://www.techdune.com/2009/03/10/enhanced-exo-skeleton-suits-are-go/
Read the complete post at http://wmug.co.uk/blogs/r0b/archive/2009/09/09/exoskeletons-robot-suits.aspx