DDK - Die Deutschen Klassiker
www.ddk-online.com
We welcome owners or enthusiasts of 356, 911 (pre 73), 912, 914 and all replicas. But don't worry if you don't own a Porsche yet, the club can still offer you a chance to become more acquainted with the marque, meet other classic fans and take a step closer to ownership.

Porsche 356 - 911
www.356-911.com
Useful UK based site providing buying guide, descriptions of models and links, as well as an interesting discussion forum.

Pelican Parts
www.pelicanparts.com
As well as being a US based Porsche parts supplier Pelican Parts also runs an excellent Porsche web forum.