August 16, 2012 at 8:00AM TiVo Premiere 4 is official, brings four tuners and 500GB of storage for $250
June 12, 2011 at 4:42PM TiVo Premiere Q, Preview boxes bring quad-tuner or non-DVR options to the lineup
May 20, 2011 at 4:31PM Comcast's next generation Xfinity Spectrum DVR shows off quad tuners, new menu and apps
