UrbanJunkies - Daily emails covering the newest and best in London.
TimeOut London - Cut down version of TimeOut's magazine and guides. Some sections require subscription.
Daily Candy - Daily email newsletter covering what's hot in London (and 8 cities in the US).
All in London - London directories and forums.
BBC London - Cinema finder, weather and news about London.
Londonist - A website about London.
Paris Info - Official site.
Best Restaurants Paris - Does what the name suggests.
TimeOut Paris - Useful visitor guide.
From Paris With Love - Carrie Solomon's blog.
World's Best Bars - Comprehensive guide to the best bars everywhere.
Conde Naste Traveller - Hotel listing site (one of the few that gives phone numbers for the hotels).
Gridskipper - Urban travel guide.
Travel Intelligence - The finest collection of chic, boutique & luxury hotels on the net.
Mr and Mrs Smith - The definitive boutique and luxury hotel guide.