It's been a while getting here -- Intel first demoed Light Peak at IDF in September 2009 -- but the first production laptops featuring the new, rebranded Thunderbolt interface are about to ship, in the form of shiny new MacBook Pros. Thunderbolt's raw speed (10 Gbps) and purported simplicity will enable MBP owners to work with massive storage on the go.
Both Intel and Apple have posted summary feature pages about the new connectivity option