Need an ongoing SEO writer to contribute to blog

Hi looking for a very knowledgable person on SEO, I am actually an SEO engineer myself so any rubbish writing or writing something you dont have a clue about then do not bid I am looking for someone to do 5 posts a week around 300-400 words this will be mon-fri. The blog posts can be about SEO techniques, internet marketing tips whats happening in the SEO world, Google news yahoo news etc. We are already a succesful SEO blog so are looking for someone talented to contribute to the blog as my schedule has got abit busy lately and do not have as much time to blog Please send any sample blogs you may have done and please bid on a monthly price Payment will be made on the saturday of each completed week This will involve research to see what activities are happening in the SEO world lately and blogging about them