An exellent and reliable article writer needed

We are looking for an excellent and reliable writer, preference native English speaking or able to prove that you are perfectly fluent American English writing. Every month we need 25 articles, based on keywords, some research we've already done but needs to be rewritten, etc..To deliver the first 25 at the end of February 2012. We will give instructions with each project. Article requirements: - original content only, must all pass Copy-scape or no payment - all articles min. 500 words - no grammar, spelling, punctuation errors - outstanding sentence and paragraph structure with high quality content, well researched - each article must have an eye catching title - each article must have a 4 sentence summary (does not count in 500 words) - upon payment, all rights will be transferred to us. This means that you cannot sell, reproduce or re-use these articles in any way. You need to understand and agree to these conditions. Payments - will be made every month at delivery of 25 articles within the deadline - no partial payments will be issued Along with your bid, send us a personal message with two samples of your writing or a link. Bid only on the total of 25 articles/month.