A media device suitable for playing video content including television programming is provided. The media device comprises a device usage monitor configured to substantially automatically monitor selected usage information related to video content that is played on the media device; a rating engine configured to substantially automatically generate content ratings for specific video content that has been played by the media device, wherein the content ratings are based at least in part of the usage information; and a user interface suitable for presenting a plurality of content channels to the user, wherein at least some of the presented channels are personalized channels that include video content that is selected based at least in part on the content ratings generated by the rating engine.