I am going to manage the web marketing (SEM / SEO) and Web-tracking activities of a smaller sized web production company.

I am now in the planning and researching phase of the web marketing improvement project. I am a pretty beginner to the issue. What tools and methods would your suggestions and guidances for me, in order to increase revenue, create leads, better ROI etc. My budget will be a few hundred dollars.

Any suggestions will be appreciated!