The difference for you with current exchange rates is only 486$ in US dollars. Not sure why discrepancy is so different in US I'm not sure it's a no brainer but my argument is not nearly as strong for you. In the US the pricing strategy of Nikon favors the D600.
"Cameras and lenses are simply tools to place our unique vision on film. Concentrate on equipment and you'll take technically good photographs. Concentrate on seeing the light's magic colors and your images will stir the soul." Jack Dykinga