Ouch for both price range of cars and FF2 wrecked the skyline. There was a company online that specialized in importing the skylines into the us... can't remember there name. It was supposed to be quality stuff. Not sure if you even need it in your part of the world, but I wonder if there is something like for you?
Ok, went searching. Not sure how much it would help you since your not in the states, but I thought it was worth a look. It is an illness how much I like looking up car crap.
How to Buy a Nissan Skyline GT-R in America -- Right Now
jspecconnect - eh.. some cars for sale and a forum
Kaizo - 'The process' is a pretty good read.
What sealed the deal for me with Supra (and Escort Cossworth) is Getaway in Stockholm 2. If you haven't had a chance to see any of those movies I highly recommend it. Especially the first.
Getaway in Stockholm 