Is there a reason why we could'nt use this hitch over here? Cheaper than the other funky ones. Its a LR hitch for Discovery 3.
http://www.rjs-land-rover-spares.com/eshop/index.php?main_page=popup_image&pID=4441
http://www.rjs-land-rover-spares.com/eshop/index.php?main_page=popup_image&pID=4441