It's not going to be easy. You're looking for the same car as the serious collectors.
A major collector told me last month that the critical thing is to just get in the game. Buy a car that is less than you're looking for and ride the curve up. At some point you're going to find the car you've always wanted. You then sell your place marker and buy the car of your dreams.
If you wait for the perfect 911 (at least your idea of perfect) it will be out of your price range. The "good enough" 911 will allow you to ride the price curve up. Don't stay on the sidelines.
Richard Newton
Car Tech Stuff