I bought some Boxster Carrera light weight OEM wheels for $460 from Craigslist in the Bay area. The only thing was that he had 2 rears and 1 front. I started searching everything from Wheel Enhancement to eBay for the front wheel. The OEM wheels were going for up to $800 and the rest were just replica wheels.
I came across this website and couldn't believe it, they were selling Porsche OEM wheels at very a low price. I received the wheel last week and verified it had the correct Porsche part# 996-362-134-05 and size 7.5Jx18-ET 50 and in excellent condition.
I have no affiliation to the website, just a happy customer.
http://shop.wheelsrims.net/