Apple's announcement of Thunderbolt on Feb 24th was greeted by excitement, as Mac users became aware of the tantalising possibilities of this new high-speed port. There's lots of things Thunderbolt can do that were simply not possible before -- driving multiple external displays from a single port, "docking" a laptop to a selection of external ports via a single cable, expanding a laptop with high-performance desktop graphics cards.
Then there are applications that older standards like Firewire and USB simply aren't fast enough to cope with, such as capturing uncompressed 1080p video or very fast external drives like RAID arrays or sold state drives. Our own Chris Ward