Remember travel agencies? Like handwritten letters and card catalogs, they seem almost quaint now that Web users are planning almost all their travel online. Last year 4 out of 5 Americans who arranged trips on the Web also bought their tickets online, up from 70% in 2004. Now a new generation of travel sites is making trip planning cheaper, more efficient and more fun. Here's a quick tour of the top new tools.
FLIGHT SHOPPING
Two-thirds of online travel planners cling to the big three--Expedia, Travelocity and Priceline--but the sharpest new way to search for bargain flights is on...