In addition to releasing the DisplayPort Dual-Mode Standard Version 1.1, VESA is also releasing an updated DisplayPort Dual-Mode Cable Adaptor Compliance Test Specification, version 1.1.
The current power carrying capacity of USB 3.0 connectors is limited today but by the Spring of 2012 a USB IF (USB trade group)a specification will be released that allows up to 100 W of power through a USB 3.0 cable.