This is from Wiki....take it with a grain of salt, but if these numbers hold true, thats not good signs of a car that will stay around long
Calendar Year U.S. Sales
2009 13,117
2010 10,215
And for the previous Poster about the Camaro sales:
Year Sales
2009 61,648
2010 81,299
Then again the Z is meant for a smaller part of the market, vs some jock wanting pure Hp. I think Nissan does a good job in its particular area!