Barking at the Right Crowd
At times you have to consider first and beyond everything else the real purpose of putting up your site. Are you in it for the market or simply to start a trend? Well most people who have successfully put up sites have noted that and with it comes the right target market to preach to.
Once you have found a niche you must take advantage right away, because you are already one step ahead other webmasters which are creating websites on general topics. Try to be different. This is a must if you want to be a successful Webmaster. The Internet is full of websites discussing the same topics.