I've downloaded, but haven't tried it yet, but Article Tool Chest looks pretty interesting...And it's free, with email sign up:http://www.warriorforum.com/warrior-special-offers-forum/141651-free-warrior-special-offer-article-writing-software-write-spin-blend-rewrite-your-content.html
http://www.warriorforum.com/warrior-special-offers-forum/141651-free-warrior-special-offer-article-writing-software-write-spin-blend-rewrite-your-content.html