It may cost arong $6500 or more for a GNR without any wear at all. Many people are chasing one like this, so it might be even more expensive to find a real good one. I will keep my eyes open for a real nice one for you in case one of my mates decides to sell theirs. 
With all due respect Brett, not quite sure where you got that figure from. $6500+ would be dealer prices and i don't think they are currently worth that.
If your mates are looking to sell, let them know, but let them know i ain't paying $6500
