Parts for Porsches:
Automotion/Performance Products
dC Automotive (Salvage Yard)
Elephant Racing
German Auto Dismantlers (Salvage Yard)
LA Porsche (Salvage Yard)
Patrick Motorsports (Check out their Project Cars!)
Pelican Parts
Stoddard Parts

Porsche Websites:
Canepa Design (Sales and restorations of cool cars including 917s and US-legal 959s)
Excellence Magazine (great magazine all about our favorite cars)
Gunnar Racing (Porsche restoration/racing shop in Florida, specializing in "plastic" Porsches like 904, 906, 908 and 917, site has amazing project photos)
Flat Six, Inc. (Porsche repair shop in MN, site has great project photos)
Johnson Autosport (Porsche race shop in Minneapolis, MN)
YouTube Porsche Channel (Official Porsche videos on YouTube)  

Local Sites Of Interest And Members Sites:
Classic Import Repair (Local repair shop that knows Porsches)
Dakota Riggers (Complete selection of tools and rigging supplies)
Harold's Photo Centers (Your source for all things photo related)
Specialty Cars (Local repair shop that knows Porsches)
Tamarack Materials (Source for all kinds of building supplies from drywall to tools)
The Molzen Team (Residential Real Estate in Sioux Falls)
Vern Eide Motorcars (Home of The Eide Effect!)

Other Great Car-Guy (or Gal) Websites:
Fantasy Junction (Broker of fine collector autos and vintage race cars in CA)
Jay Leno's Garage (Serious car nut who also does some TV and comedy on the side)
Octane Magazine (British car magazine website with a wealth of classic car info)
Classic & Sports Car Magazine (Another cool British car magazine)