I think you guys have all heard about the coming Lord of the Ring: Return of the King's DVD extended edition has an extra 50 minutes footage, which make the whole movie an 4-hour journey. If you want to have a taste of what will be included, click the link below. The official site has put up a teaser trailer for this extended edition, which is full of those new footages. E.g. Gandalf faces Saruman after the destruction of the two towers, Faramir and Eowyn meets. Click the direct link if you want to download the high-res version of this trailer directly.