You are right, it wont be easy, but stay patient, they do come on to the market every now and again. But you will have to react quickly - the good cars don't hang around long - typically sold within a few days.
I am probably biased, but I think it would be a mistake to ignore the NA2 pop-up cars - they come with most of the benefits of the face lift cars, and it widens the field a little for you.
2001 3.2 Circuit Blue Coupe with pop-ups!
"If you want to argue that The Best Car in the World is a supercar, go ahead. But there is only one that makes the grade. Only one that's built properly.
Gordon Murray knows.
Rowan Atkinson knows.
It's the Honda NSX."
(J. Clarkson)