Every business owner faces similar questions with regards to their online marketing strategies, where should I allocate my marketing budget? SEM or SEO? Will Search Engine Marketing or Pay-Per-click cannibalize my SEO efforts?.
According to a recent study conducted by Google, when paid listings and organic listings appear together, you can benefit from the following:
Click here to read more about this article. Google Study
At The End of the day, you want what will produce the highest ROI for your business. It seems to me that both strategies will yield great returns for your business.