As expected, Comcast is kicking off the rollout of its new X1 (previously beta tested under the name Xcalibur) DVR platform. The announcement was made at the Cable Show in Boston, and that's where it will be available first, some time in "the coming weeks" with a few other major markets following soon after. We've had a few peeks at the new UI over the last year or so but now we have a full gallery of shots of both the DVR software and a
