Google Analytics Expert Needed - Set-up

We are looking for somebody who know how to set-up and maximize use of Google Analytics. We are NOT looking for SEO optimization. We want to better track our current traffic to goals and who that traffic is. We want to set up and traffic to the site and the number of signup and the number of sign-up for our paid service. You should know how to set this up and tell us how to. We want to know which traffic is from Articles, Blogs, Sites, Adword etc. Please tell me if you know if Google analytics can help classify our traffic this way or if you can help us do so. We want to get a good sense of all the reports Google Analytics can provide for us and we are looking help setting it up. Please tell me how you would approach the above, if you have set-up Google Analytics, where your expertise is and what packages if any you like more than Google Analytics. We are NOT looking for SEO optimization. We want to better track our current traffic to goals and who that traffic is.