With today's tech, would it be possible to construct a suit of powered armor for soldiers?

A set of powered armor such as the one depicted in, for example, the video game "Fallout Tactics"(see bottom) would be extremely beneficial to today's military by not only providing complete protection from automatic assault firearms and anti-personnel sized explosions, but by giving the soldier a sort of superhuman strength to the hands, torso, arms, and legs. Not to mention an array of other technological capabilities such as squad and command level communication, biological chem attacks, satellite communication abilities, and night/heat vision attachments all inside just the helmet. As far as agility goes, certain movements would be restricted, but the suit would still be agility effective enough on the battlefield to take cover if need be. Prone and crouch would still be done with ease. It's no doubt practical. But, considering today's technology with advancements in micro-motor research, robotics, and engineering, would it be possible to construct such a piece of skeletal robotic armor? Given, it may be very costly, the idea undoubtedly promises fantastic results, it just needs to be engineered by the right hands to make it a reality. The reason I ask here, I'm not so much an engineer as I am an idealist. I figure it best consult ones whom are more experienced in the field. Plus, it couldn't hurt for some input and friendly discussion.

Example of robotic powered strength:

http://mypetjawa.mu.nu/archives/190227.p...

A more condensed and less powerful version of this would all be that's needed. Enough to be agile enough to move in the metal alloy exo-skeletal armor.

A fictional sketch of what the exo skeletal armor could look like:

http://img84.imageshack.us/img84/483/adv...

Yes, they exist. Still working out the bugs.

the problem is the power supply. creating enough energy to power a device like that is a big job and we don't have a really good way of doing it.