Here are a few websites that I have found useful, enjoyable or both!
Boxa.net – Forum for Porsche Boxster enthusiasts
Pistonheads – Website with news, reviews, sales and forums on all kinds of motoring life.
AutoTrader – Buy and sell cars in the UK from here.
Supercardriver – If you’ve got a high performance car in the North of England, register here for details and invitations to some great meets with like-minded owners.
Porsche Euro – Specialist in the barnsley area for Porsche cars.
Millbrooke Cars – Specialist in the Sheffield area for Porsche, Ferrari and Lamborghini
Revolution Supercars – Specialists in the West Yorkshire region for Porsche and other Marques. Highly recommended.