The question I ask myself when submitting to PR0 or low PR sites, is does the good outweigh the bad? If I know it is a directory maintained by a webmaster that has other successful sites or directories, then I will definitely submit a link. If the site is SEO...

What does your traffic system need to consist of? First we will start with the traffic that you can pay for. Before hiring any company do your research on their past performance, and how effective they are at their jobs. In order to get your website on the search engines I would hire a company to submit the website for you and to optimize your webpage. Make sure the company is doing hand submissions for you, automatic submissions get penalized by some search engines. Next depending on your budget I would hire a traffic specialist to drive traffic to your site.