1. System comprising: video display; processor controlling video display; TV tuner providing TV signals to the processor for presentation on the display; the processor presenting a user interface (UI) on the TV display, the UI listing icons representing respective media sources in a horizontal row, at least one media source being the TV tuner represented by a TV icon, wherein when the TV icon is active a list of TV channel icons is presented in a vertical column under the TV icon, wherein when a TV channel icon is active for a first period first metadata associated with a respective TV channel is presented on the display, wherein when the TV channel icon is active for greater than the first period second metadata associated with the respective TV channel is presented on the display without requiring the user to tune to the TV channel or invoke a program guide application, the TV channel icon listing metadata associated with only a currently available program such that no metadata associated with past or future TV programs can be displayed on the UI.