You might want to talk to the guys at Superformance about knock off hubs and wheels. I bought a set of hubs from them and the price was very reasonable. They also do some beautiful 15" hallibrand style wheels to go with them and I think the price was very good on them too.
Give Brian a call at CTC (03) 5622 3370 and he will fix you up. These guys are the Australian agents for Superformnce and are really helpful.
I'm getting a set of 3 piece Halibrand replicas made to suit my hubs. Ozwheels in Sydney are doing them and they make a very nice wheel. 17x11 and 17x8 and around $2800 the set.
I borrowed Leeroy's bolt on versions to see how they would fit on my car. there is a picture in my gallery here:
Wheels
Cheers