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electricity travels at the speed of light. so there is no guarantee it will be faster due to using light.

eletricity doesn't travel at the speed of light. This is a quote from coolnews.org
"Electrons, which have mass, can never travel at the speed of light due to the theory of relativity. The drift velocity of the charges in an electric current is extremely slow, on the order of centimetres per hour. Where the electric current is visible, as in electrophoresis, the slow movement of charge carriers can be seen directly.

As a very rough analogy, imagine a line of people at an amusement park. When the people at the front board the ride, a space opens up, and rapidly spreads to the back of the line. However, the average velocity of any one person is far slower than the speed at which the space moves."

On a more related note, this will be a huge advancement in technology and hopefully will one day trickle down to the consumer. power usage and temperatures are what keep chip manufacturers at bay for right now

This sounds fantastic. It's a shame about the time frame, though. Call me a sceptic, but making any predictions on computer technology 10-12 years into the future seems like an extremely challenging task.

And to the first poster, I have a quite simple rule of thumb for you: *Nothing* travels at the speed of light, except light itself - and all other types of electromagnetic radiation.
Maybe the term ELECTROmagnetic is what's confusing you.