yeah it is cheap.....
The second best quote i got was for $2800, some1 in cambellfield.
I asked Nismo (they're actually called NISMA) in Sunshine, he wanted 4g.
I suppose reputation costs as well.
But its still better than buying an RB26 of a wrecker, and just swapping the engines over, as you don't know when it will go BANG, and the cheapest one i could find was for 4.5g with only 2 months warranty, where as with the rebuild im getting 12months.
The main mechanic there has rebuilt his own R32 and 200sx s14, plus heaps of others.
He's got the experience. I'm not sure whether he's built a RB26 though :S I assume he has.