Summary: Enter the model number in google and you will see the dozens of class action law suits associated with this TV. It has a manufacturer's defect in the optical block - resulting in a yellow/green tinge to the picture. It looks like you are looking through a dirty fishtank.
Summary: The Light Engine/optical block of this TV has a fatal design flaw. it is the subject of a class action lawsuit against Sony. The picture may look great at first by gradually begins to fail, producing the dreaded "green blob." I have had the light engine replace 4 times with no success.
Summary: I'm just seeing this TV here while looking for other TV's and am reminded of my experience with it. I bought this TV in early 2006. By 2009 it became clear that, well, it wasn't clear anymore, everything took on a yellow-green hue.