The latest announcement at the 2011 Cable Show comes from the seemingly unlikely pairing of Comcast and Skype, who have arranged to enable video calls through the cable box. All it takes is a camera, adapter and 'specially-designed remote' to turn HDMI-equipped Comcast boxes into Skype-on-TV machines when they start trials in the next few months. Senior Comcast VP Cathy Avgiris tells the Seattle Times that video will max out at 720p to start but will be ugraded to 1080p eventually. The tie-in will also means Skype features for the Comcast Xfinity apps on tablets and phones, but according to Avgiris it won'