While we expected to see Comcast roll out its X1 DVR platform today at the Cable Show, more surprising is the new Project Dayview initiative. As seen above, it attempts to provide a single cross-platform home screen that combines info from its services and third party sources to give customers a quick look at what's important to them, on any screen. Potential sources include Comcast services (DVR schedule from your cable box, voicemails from the home phone, email, or