I would advise to build backlinks to your site to help boost your SERP placement and to draw direct targeted traffic from them overtime. Directories, blogs, forums, social networking and bookmarking sites and other related sites could be a good start for link building.

To build your website traffic you have to make your site sticky / viral so that peope keep coming back time and time again. This can be done by keep adding new content that people want to read and look at.