i think its extremely important to have your own web site.
there are many reasons to have your own web site. to understand web site, especially business sites, you have to experiences building and creating a site.
there so many design issue that are important for marketing. it starts with the color of the site to the location of banners and end with the location of the search box.
the site helps you create credibility and reliability by putting your own content.
its becoming more and more important to be diffident and unique.
there are so many sites and blogs, the trick is to stick out and making yourself different.