I have 17x7.5 and 18x9 Volk TE37s on my NSX.
I noticed better cornering ability at the track since using
these wheels. Still since the rear wheels are 18" the rubber
side-wall is pretty thin, so its difficult to gauge the threshold
of the grip. I am using Kumho 712 Ecsta street tires on them
right now. Overall, I am very pleased by the appearance as well
as the handling chracteristics. They are now a pretty old wheel,
but they are still very light. If you have the cash, I would
highly recommend these wheels. Also check Volk GTC.
-Kenji