Someone on one of my facebook groups has a Nikon D300 for sale for $550. It includes a grip, two batteries and a charger. 36,000 clicks. Unfortunately, he has posted stock pictures and not pictures of the actual camera. Although I would ask for those. He is a photographer, I checked. States he bought his wife a new camera. Is this a good deal? I'm searching prices and they are all over the place. I currently own a D7000, and D7100 if that matters. Thanks!