LaCie is one of the first Light Peak partners to announce a Thunderbolt Drive with their Little Big Disk SSDs which promise to deliver absurd data speeds.   Speaking of Promise, they also have a Thunderbolt RAID device in the works, the very same one that Apple posted on their Thunderbolt page (below) which appears to be on the beefier side.

Neither have prices or shipping dates but if you have to ask how much these cost…