Those cagey blokes over the pond have developed an interesting new breed of K-9. While it's true that this is more of a glorified vehicle than a robot, I post it here two simple reason.
1.)It is a ride-able dog-mech
2.)It breathes fire.
There is no part of this that is not just cool.
Watch Robo Dog in Game Videos | View More Free Videos Online at Veoh.com
As an aside, I feel that derivatives of this work are what cowboys will ride in the future in lieu of horses. It seems to be entirely appropriate.