Vizio's Co-Star hub is still one of the cheapest points of entry into the Google TV world, so it's comforting to see the set-top box getting an update -- albeit somewhat behind Google's own pace. The previously promised release mostly focuses on giving it the third-generation Google TV interface, including the mini-guide, YouTube pairing and (through a future Android app update) voice-guided search. Viewers on the prowl for more content get a few additional perks through new apps
