Just under three months ago a preliminary USB 3.0 FAQ was published, and today both USB 3.0 final details and a date has been confirmed.
USB 3.0 is set to arrive during late 2009 or early 2010. It will be able to transfer at incredibly fast speeds of 5Gbps per second, so that's about an average sized movie every second.
To quote: USB Implementers Forum President Jeff Ravencraft...
No doubt you’re familiar with the Universal Serial Bus – we ranked it as our top PC innovation of all time. But what do you know about the next version of this ubiquitous interface? USB 2.0 (otherwise known as USB Hi-Speed) boosted the original 12Mbps data rate to 480Mmb/s over eight years ago, and now USB 3.0 (dubbed USB Superspeed) is set to multiply that bandwidth tenfold.