SEO needed for redesigned site

We are looking for a SEO expert/consultant to help us achieve better PR in the 3 larger search engines and bring more traffic to our newly redesigned site. The initial project will be to review our site and give a detailed plan as to what steps need to be taken in order to achieve better rankings. We would like a detailed plan of action, including: what, if any, changes should be brought to the site, what steps would you recommend to achieve better results, what SEO work can you provide, what timelines we can expect, what results we can expect, cost of implementing such a plan, what we can expect for duration of the results, any suggestions are also welcomed. This project will likely lead to a long term contract with lots of work. Thanks for bidding and good luck