Here are some excellent links for sport car enthusiasts.

Pistonheads forum
The best car related news site on the web

Lotus Cars
The official Lotus website
Exiges.com
The place for all Exige enthusiats
340R Net
For all things 340R
UDrive
Performance car driving experiences and tuition by professionals.
Let us know if you know a website that deserves inclusion in this list: cars@brooke-kensington.co.uk