If you're looking for Targeted Traffic to your website, there are a number of good sources available on the Internet. The best is obviously search engine traffic, which you can acquire with a PPC account here at SearchSpot.com. But if you need more than what we have to offer, here are a number of other sources that we recommend:
SEO is an excellent method of getting free traffic from the major search engines.
And make sure to sign up for the Free SEO Newsletter at that site.
Other sources will be posted as they are tested by SearchSpot staff.