100-200 articles per month for an affiliate casino site screams "content spam" to me!
The content is king strategy has been completely blown our of proportion and is very much misguided. Your content should be worth while without having to spam hundreds of articles. You can rank a website without blogs, as your content is every part of the website, whether its a review page, an about page, a contact page - thats all content. I'd much rather have 20 quality pages that i have absolutely mastered and done everything possible to make them great... rather than spending time writing hundreds of low quality articles.
I'm presently in the process of undoing the thousands of articles that previous
SEO's in my position have churned out (I have been newly appointed into my current job for this reason, to fix this problem) and the rankings for our site have dropped significantly over the last 12 months due to mass content.... causing high bounce rates, low time on page signals and lots of exit points for readers!
I can't even imagine what a casino site would look like with hundreds of articles... is there that much to write?