Summary: We've been using this TV for a few months now and have been very happy with it. The picture is very crisp and clear, HD and BlueRay look amazing. The sound quality is decent and it looks so good hanging over our fireplace. Great TV at what we consider an affordable price. Wouldn't hesitate to recommend or buy another.
Gearing up for my second Samsung service appointment...
6 May 2014
Summary: UPDATE: Samsung repair happened and was relatively painless. They replaced the panel with a new one... no more green line. I have since noticed that there is an area of uneven backlighting (a band running from the top to the bottom of the screen that is lighter than the rest of the screen). Trying to determine how annoying this actually is before calling Samsung again to set up yet another repair appointment. Not particularly thrilled at the moment.
Summary: Color levels are excellent. Black levels are horrible. Back-light has very noticeable white patches around screen in dark scenes or letterbox type formats. Lots of nice apps. I made the mistake of not spending the extra money for the 7000 or 8000 series.
Summary: Maybe the smaller sizes work better but my 60" couldn't process fast motion smoothly no matter what settings I tried. The dirty screen effect was really objectionable during pans watching hockey, soccer and golf. Screen uniformity issues, over-bright edges and cloudiness in black areas, were unacceptable. Returning and will try the Samsung PN60F8500.