I had emailed Nissan directly in regards to the changeover date for 09/10 production. Here is part of their reply.....
Thank you for taking the time to personally contact us about our Nissan products.
The 2010 Nissan 370Z has a tentative wholesale release date of November 13, 2009, however this date is subject to change. Also Nissan has not released additional information regarding this vehicle but would recommend you visit
Nissan/Infiniti News Room for the most up-to-date product information. Also the sales department at your local dealership is the best place to get information related to special ordering a Nissan vehicle.* You can locate your nearest dealership using our Dealer Locator:
Nissan Dealers, Locate a Nissan Dealership - Nissan USA.
Before you visit your nearest Nissan dealer, get your pre-approval confirmation on-line:
Nissan Buying - Pre-Approval - Application. It's the easiest way to purchase your new Nissan.
Recent college grads may qualify for a special finance rate through NMAC’s (SignatureGRADUATE) program! Those shopping for a Sentra, Altima, Xterra, Pathfinder, or Frontier may also be eligible for $500 grad cash. For details, go to NissanUSA.com/collegegrad.
If you need any additional information or have further questions after visiting your local Nissan dealership, please let us know by reply e-mail or by calling 1-800-647-7263 and pressing "0" for a live operator.
Thank you for taking the time to personally contact us with your question.
At Nissan, we are committed to a high level of customer service.
Sincerely,
Nissan North America