I have lost count of the number of times that I've been told that the days of the travel agent are gone and that — sooner or later — everyone will be making all their travel arrangements via the Net. Whilst I agree that more people are using the Internet, my experience is that they tend to use it primarily for what i would describe as 'commoditised' travel product — e.g. low cost carriers, hotel
The art of getting a quote that is both competitive in price and relevant to your needs starts with gathering all the right information about what you want to do (or think you want to do!).