Travelzoo is most likely the most advanced travel site on the web today.  It covers everything from quick vacations, theater tickets, auto rentals through hotels, airlines and all other travel bargains worldwide. 

The site is extremely well organized. Not only does it profile the "Top 20" bargains of the week.  It divides other bargains among several categories, which include: Airlines, Car Rentals, Hotels, Package Deals and Vacation get-a-way.

Any traveler would be remiss in not at least surveying the site once they have determined where and when they want to take a trip, whether it be for...