There is a Matronics list of Pietenpol builders at: There are some rules on the Matronics list, that are pretty much common sense and courtesy, like when you reply to a topic, please delete the other people's comments out of your comment box. Also, if you make a comment that doesn't need to be archived forever, please put: Do not archive somewhere in your message. Both of these things will cut down on clutter on the server. Also, if you are going to make use of the list, please make some kind of donation to the guy who owns the list. I haven't donated to him yet, but I haven't ordered plans yet, and probably won't be able to do so for a while. The matronics list is not the Pietenpol family, but I haven't seen anyone on the list who is not loyal to the Pietenpol family. Nice group of people.
http://www.matronics.com/Navigator?Pietenpol-List
Also check out:
http://www.westcoastpiet.com
If you do facebook, check out: http://www.facebook.com/#!/profile.php?id=1048252084
If the facebook link doesn't get you John Recine's page, try searching for him on facebook. If I look at John's build album photos very many more times, my wife will call the attorney, because I will have ordered plans, ordered wood from Spruce, and kicked her car totally out of the garage.
I think you may have to be a friend of John's to see his build photo album.
Have fun with your Piet project. If you have bought plans, you now have a project.