The Thunderbolt cable has little prominence at the moment due to the simple fact that it comes only in the latest Macs and there are few accessories, but I am sure that in the future it will play a very important role.
The new MacBook Pro with Thunderbolt boasts brutal bandwidth that allows you to use two external monitors at maximum resolution in a single cable, something that we have known because Apple mistakenly posted the image you see in the entry on its website.
New Thunderbolt Cinema Displays are expected shortly, so stay tuned to the blog if you want to keep up with the news.
Source | OS X Daily