Buy business web template with total customization option. You may get layouts in the market designed superbly but with little scope of customization. On the other hand if you go for open source developments like the Drupal, Joomla or others then you should buy layouts designed for particular themes. Otherwise your developers or the designers will face problem to make layouts completely fit for your business. Even in SEO related changes there will be problem.
Anyone who has worked on making detailed sites knows of the trouble that it can be. Creating HTML and CSS pages that are seamless and work on all browsers with no glitches can be tough. Making sure that you have the right content and working with the right style templates is a huge advantage, but for those who want to step it up even one more notch working with a shortcut and aid like WordPress is a wise investment of time.