Their is a new updated for the Vizio Co-Star, OTA Update V3.4.0 Nov 2, 2012 just released .... This Update Includes: - Improved System Performance And Responsiveness. - Google TV Udate, With Expanded Access To Apps, Movies And TV Shows In The New Google Play Store .... *PLEASE NOTE: Concerning the recent firmware update, please be informed, this update is a performance firmware updated for the Vizio Co-Star .... It had nothing to do with HDMI Pass, DTS, Mkv files and AC3 audio playback ...! Now from what I'm being told, these concerns will be addressed in the next firmware updated .... If you cannot see the difference in the performance of your Co-Star after installing the new firmware, then maybe you have a bad lemon Vizio Co-Star ..... *With the new firmware update, your Co-Star runs/works like it's on steroids (More Pep, Less Lag), compared to the old firmware ...!