Spend a few hours and do the run around
Check out D1 garage, JMS, Adelaide Jap, Import Spares etc. Better bargains are to be had when your there in person, so get cash and go for a drive
When the stuff is hanging on the wall, make a half decent offer for cash and it'll more than likely be yours.
I like to offer about 20% under marked price and if they say no walk out. I'll still be there tomorrow if you want to pay full price (maybe).