Latest update on the S26 deployment on Ted Hodgins' (aka "ComcastTeds") "New Features for Scientific-Atlanta/Cisco Cable Boxes" stickied thread on the Comcast Help and Support Forum:
From: »forums.comcast.com/t5/XfinityTV- ··· 1#M67779
2-18-2013 3:41 PM
Customers in Alexandria and Arlington, Virginia are currently scheduled to get the on-screen guide updates and new features this week.
Details on the new features available are detailed in the initial post in this thread. Additional information can be found at »www.xfinity.com/meetyourguide
Additional locations will be announced as they are confirmed. All locations are expected to be completed in early 2013. Thanks for your patience.