Cyber Medical College - Resource site from the Royal college of Physicians and Surgeons of Glasgow - already one of the best of its kind on the web. Links are thoughtfully chosen and intelligently reviewed.
Journal of Medical Internet Research - It's not easy to find up-to-date, accurate medical information on the internet, so this peer-reviewed journal exists to help doctors know about the benefits and pitfalls.
Waiting times data - Say what you like about waiting lists, but the figures are available on the DoH website, arranged by region.
HIV / AIDS report- Excellent daily information service on the global Aids crisis, providing links to stories and resources all over the world.
Patient UK - A reference site with many links to other quality health sites