A couple year ago I expressed this opinion, that it may hold true still now:
Many people agrees that the NSX has a strong relationship to the same year 911 in terms of percepted value, new price and depreciation.
In detail we compare the 993 for NSX older than 1997 and the 996 for 1997 NSX and newer. These cars behave similarly (purchase price, used price).
Would it be possible that this will still hold true in 10 years from now?
And in this case, is it worth checking what happened to Porsche 911 in the past?
20 years old 911 currently ranges at 12k-14k$. Of course the Porsche has more autos around in the market... but it seems that Porsche has matched production to demand pretty well and in general Porsche has a bigger possible base of buyers than the NSX.
Would it be possbile that in 2010, 1990 NSX will be also priced 12k-14k?
Of ocurse *perfect* exemplars will sell at premium, just like for the Porsche. But the normal range could be that.
Just guessing...