Thanks to everyone. The 91 I am told is out of snap ring range, T J4A4 1000341. Maintenance records show 2012 as last year for attention with timing belt, valve gasket, and water pump replaced. Seems to be up to snuff in all respects. Exhaust has been replaced with a 1992. This puzzles me. The 2000 is at a major car dealership and they have no records. I see the car was for sale last year in Las Vegas. How it ended up in a dealership is odd when trade ins are usually five cents on the dollar. Both of these cars will be checked out. I am thinking to use a nearby Acura dealership or should I look for a speciality shop? I am in northern Calif.
As for low mileage, I know there are issues with a car that sits, but from my experience with MBZ, Lexus, and BMW I have always bought low mileage cars and let somebody else pay the big bucks. Additionally, in and out they look new. I anticipate driving the nsx 2k miles a year. Stick I know is more the real deal but auto works for me. I sold a Porsche because driving bumper to bumper in the bay area is a pain in the neck.
Lastly, you all know the NSX. If you were buying either of these cars at my request, what price would you say to pay??