I always try to look for acknowledgement, but only once have I ever gotten anything. I rode by another white 370z on the interstate, the other owner looked admiringly at my car, so I honked my horn quickly at him. Other than that, I've never even seen another 370z driver look my way. I'm always looking and then end up like
when they don't even see me! I guess I'm just a car guy, so I'm constantly aware of what other cars I'm around