It was but days ago that we first caught wind of Big Cable's plans to bite a chunk out of the online TV pie, and now we're already hearing that things could be ready to roll by summer. According to undisclosed sources quoted by Reuters, both Comcast and Time Warner Cable are heading up talks with major content providers like Viacom and Discovery Communications. We're told that their plans are at "different stages," but pay-TV subscribers could be tuning into bonus coverage on the web or via smartphone "as soon as this summer." Tick, tock...