I drive through a wealthy area every day on the way to and from work. I see at least a half dozen Porsches a day, not counting the SUV's.
I would say I get maybe one nod per hundred drivers. The majority don't even look at my car, even if I am right next to them. That is regardless of whether it is the 944 or the 986S.
Of course, my girl seems to get nods all the time from gentlemen on her way to the office when she is driving it. Figures.