Wow it has been eight years since the last update to the USB standard that is ubiquitous amongst today’s electronic devices.  Now it’s a good time for an USB 3.0 debut; USB 3.0 will allow data exc faster than USB 2.0 and six times faster than FireWire 800: [Wired] 

• Greater power efficiency: New interrupt driven protocol optimizes power management.
• Better Power Output: Power output bump to 900 milliamps from 100 milliamps allows more devices to be charged faster via USB.
• Backward Compatible: New Connectors and cables will work with work with devices running the older USB 2.0