For Organizing Travel Details: - tripit.com
This site keeps track of everything from flight reservations to OpenTable dinner plans and extracts travel details from booking confirmations that you forward by email, then make them all on a private webpage. It also adds trip-specific SeatGuru tips, weather reaports and Google maps.
For Searching Far And Wide-Fast: momondo.com
It swiftly scours more than 450 sites that include major booking engines, national carriers and no-frills airlines-to unearth cheap flights to destination around the world.
For Arranging Tricky Itineraries: tripology.com
It assesses your needs and interests with an online questionnaire, then matches you with a savvy travel agent.
For Checking Flight Status and Delays: updates.orbitz.com
It provides you with a color-coded map providing arrival and departure delay details at a glance. It's latest feature relays advice straight from fellow travelers who send updates in realtime by texting from their cellphones - on security line ups, traffic jams, cab queus, and more.