Planning a vacation? You probably already know about Travelocity, Orbitz and Expedia. At these websites you can book flights, hotels, cars and vacation packages.But have you heard about Sidestep.com, Kayak.com and Mobissimo.com? These travel search engines include airlines and hotels that you won't find on Travelocity and Expedia. And they don't charge booking fees.Of course, there's more to travel planning than just finding the best deal on transportation and lodging. You may want to learn m...

Planning a vacation? You probably already know about Travelocity, Orbitz and Expedia. At these websites you can book flights, hotels, cars and vacation packages.But have you heard about Sidestep.com, Kayak.com and Mobissimo.com? These travel search engines include airlines and hotels that you won't find on Travelocity and Expedia. And they don't charge booking fees.Of course, there's more to travel planning than just finding the best deal on transportation and lodging. You may want to learn m...