SEO is just the start to getting people on your page. Because SEO is a long tail strategy, it takes a long time.
While your SEO grows and is read by google, you need to engage in Search Engine Marketing methods including pay per click (PPC).
This will allow you to get traffic immediately instead of waiting months for your SEO efforts to kick in.
BinaryBits will put together a thorough PPC program based on your traffic and targeted keyword research and show you reports illustrating your direct return on investment.