My $.02, if open air motoring is important to you get the S2000 as the premium you would have to pay for a Targa (ie, newer model) isn't worth it. Otherwise, NSX all the way; power, torque, handling and presence all superior.
92 NSX, 02 S2000, 98 Accord, 01 MDX
92 NSX, 02 S2000, 98 Accord, 01 MDX