The Economist
http://www.economist.com/
Online edition of the world's premiere global business magazine.

weather.com
http://www.weather.com/
A great source for world-wide weather forecasts.

concierge.com
http://www.concierge.com/
Your own personal concierge -- wherever you are, and whenever you want him/her!

Fodors.com
http://www.fodors.com/
A nice travel-related site ... check out the miniguides for 120 major cities in the world, including Sydney, Melbourne, Auckland and Honolulu.

Travelsmith
http://www.travelsmith.com
Catalog house specializing in travel clothing and accessories. Useful tips on packing, electrical requirements, and the like.

Magellan's
http://www.magellans.com
A competitor of Travelsmith carrying similar items. Check out both sites for the products best fitting your needs.

Hoover's Business Travel
http://hoovers.com
The travel section of Hoover's Business network. Chock-full of flight schedules, travel tips and city guides

buytravelconverter.com
http://www.buytravelconverter.com
Just what its name implies ... a great place to buy travel converters.

Oanda.com
http://www.oanda.com
A serious currency site, with converters and historical quotes.

International Per-diem Rates
http://www.state.gov/www/perdiems/index.html
Catalog house specializing in travel clothing and accessories. Useful tips on packing, electrical requirements, and the like

US Consulate
http://www.travel.state.gov
The website of the US State Department's Bureau of Consular Affairs. Information on travel and safety abroad.