In 2D, excellent results, it is clear that this TV is for display of HD.
3D with the glasses Sony Active "official" (TDG-BR100) the result depends on the source.
With video games that can be encountered some problems of crosstalk (image overlapping) but not all.
In video mode 3D, tested with the Blu-Ray Tron Legacy, embossed effects are good.
3D simulation is a little something that brings a bit of depth to the image without assert an original 3D encoded source.
Its side, this TV does not come out too bad but plugged into a sound bar (via digital optical) or a home theater, the rendering will be largely improved.
Many possibilities of image adjustment, connectivity, function VCR (basic) with a connected USB hard drive, internet access (cable or wireless option) ... There's potential and scalability as updates the TV firmware are automatically provided that the screen is connected to the net.
In summary, this is excellent 2D TV with HD source, this must be the first criterion that guides the buying decision.
3D is more interesting.