Let me share with you my experience using Samsung Smart TV,an LED TV with the capability to connect to internet either via LAN cable or wireless.Personally , i find that the quality of the picture is awesome and really satisfying .This is series is the upgraded version from the 2010 version . one of the stand out additions is Smart Hub feature.
Smart Hub offers several gapps like your video (Youtube)internet browsing , movie on demand (for korean users) and all share (apps found in a number of smart phones like Galaxy S2, Galaxy...