What is your site about ?<p>Best advice someone can give you is first write good content and second worry about SEO.<p>Also, paying some random SEO "expert" to improve your site won't do you any good long term. Google plans to change their rating algorithm soon.
All you need:<p><a href="http://www.seobook.com/" rel="nofollow">http://www.seobook.com/</a><p><a href="http://www.seomoz.org/" rel="nofollow">http://www.seomoz.org/</a>