Uh, pretty fast. That's when they cooled it to almost absolute zero through liquid nitrogen. Still, at room temperature: 300 Ghz — 100 times faster than today's common transistors. It'll be commercialized in two years. What does this mean?
a) Nothing's stopping Moore's Law yet.
b) Intel and AMD should probably start thinking about something other than multi-core processors. (although parallelization is always good)
c) Windows Vista Ultimate with Aero has some hope of running on something 
Speaking of which, I believe if you're a TechNet subscriber (it's a free subscription) you can go ahead and try out Vista Beta 2 now. I have a DVD of it sitting right here that I've been itching to try, but no computer…
