Here's the list:

http://americajr.com/news/naias/2007/concept-cars.html

Aston Martin DBRS9
Audi Q7 V-12 TDI prototype
Changfeng (Chinese Automaker)
Chrysler Nassau coupe
Ferrari 599 GTC
Great Wall (Chinese Automaker)
Great Wall Hover SUV
Hummer H4
Hyundai CV minivan
Hyundai Terraron
Infiniti Concept Q
Jeep Trailhawk
Mercedes-Benz S-Class Convertible
Mitsubishi Evo X
Mitsubishi Lancer Evolution prototype
Nissan Rogue
Pontiac rear-wheel drive sedan
Volvo XC 60
Zhongxing (Chinese Automaker)


I don't know how accurate this information is...found this on FA. Looks like the New G coupe may be slated for New York.

 

Looks like that list is for concept cars.
Intros would not be on that list.

JMO, but... now that the car is delayed to late summer, NYIAS is more likey than Detroit.

 

Ian, you just said basically the exact same thing I posted. Hence the title "2007 NAIAS concepts"