$2K is pretty decent if you're dead set on getting
authentic Porsche wheels (used).
But for less money, you can get the the replicas (with about $1000 budget for tires)! To me, the wheeldynamics.com replicas look better because they're wider (+traction) -so they're more flush with the body. They weigh just about the same too.
The rear Porsche wheels look concave compared to replicas.
Authentic
Replicas