Let James Cameron tune your 3DTV set...
...at least to watch the Avatar 3D Blu-Ray version you receive with a new Viera screen from Panasonic. Panasonic published a page with James Cameron's preferred settings.
This initiative is due to the fact that the company is bundling their line of Viera 3D-capable Plasma HDTVs along with a Blu-ray 3D version of the movie Avatar, an exclusive deal that probably will delay further the availability of the movie as a standalone product.
Read the paper here in 3D Vision Blog.