Getting visitors to your site is one thing. But once they are there, you need to provide an exciting/useful/engaging/you-name-it experience if you are going to have results.
The good folks at conversionXL.com have a very thorough post on how to guide your visitors to the desired action (whatever that may be: sale, quote form, support information, etc). The article include actual examples on getting started with the described concepts.
Check the full thing at http://bit.ly/A5BbnO