You'll be getting a lot more attention in a Datsun than a Ferrari. Plus, unlike the Ferrari, everyone won't assume that you are a dick.
I've driven a number of Datsuns in New York and Rhode Island, and it is always nice to get smiles and waves and "...I used to have one of those" stories.
On the minuses side, you might go a month or two between Datsun sightings. That's why you've noticed people going nuts at the sight of a 30-year-old Japanese car that doesn't look like it was pulled out of an ancient shipwreck. Cars out here do this: