"Within five years, we hope to connect microprocessors and memory chips right to the optochip, producing the optical analogue to the electrical multichip modules in today's big-iron machines."
At only 10 Gb/s, there are already buses available that do better than that. The good part is the small size I think. At another point they say 160 2 Gb/s links in a small package. That's the goodness.