Article Writing and Spinning Needed

I am in the process of find quality writers for my web sites To start off, I need 20 articles of 600+ words each. I will need articles for [login to view URL] and [login to view URL] around there niche markets. The articles must be optimized around the keywords. Basic knowledge of SEO is a plus. Ultimately, I am looking to establish a long-term relationship with several writers to provide quality ORIGINAL content for my sites on a monthly basis. Expect to write on different topics each month with 100% originality and accuracy. Please do not bid if you cannot provide at least 20 articles of ORIGINAL content monthly. Style requirements: This is for an American / United Kingdom audience, so the English must be very good and written at about a 4th grade reading level. I will retain all rights. It is imperative that there be No plagiarism and No recycled work. The topic should be well researched with references. I will need relatively fast turn around. Please answer the following questions along with your bid: 1) What topics are you most comfortable writing about? consumer product review/ health / home / animal / ... etc 2) Please tell me about your writing process. 3) Please attach a sample of your writing. 4) What's your writing experience and how often are you currently writing? 5) What Keyword research knowledge do you have? 6) Can you spin articles? And understand the theory? 7) Have you ever used article distrubution sites, like article marketeer and if so what ones. Thank you for your bid. I will be choosing writer very shortly.