Well spotted on autotrader actually!
http://atsearch.autotrader.co.uk/www/cars_search.asp?searchform=&modelexact=1&lid=search_used_cars_full&photo=1&state=none&sort=3&hassearched=Y&make=NISSAN&min_pr=30000&source=0&model=350+Z&max_pr=&agerange=&mileage=&miles=1500&postcode=ab32+6wa&ukcarsearch_full.x=60&ukcarsearch_full.y=6
Very expensive, I'm guessing some have seen it at shows etc.