You are right it is expensive but the chipset block will only set you back another 50CHF so thats not so bad.
The shop is pretty good and cheaper then others. Also they ship pretty darn fast.
Also i would recommend not get the cheapest parts you can get.
Also. If you want to look at here http://forums.techpowerup.com/showth...t=86718&page=1
I knew nothing about wc and these guys helped me out a lot.