What is SEO? Is it an area of business that is learned or naturally obtained? Or is it actually a combination of different skills that created SEO abilities. Here is a picture from Searchenginewatch.com that illustrates the importance of variety having a greater impact on SEO success.
Containing these different skill sets are what will create a great SEO’r. You cannot simply focus your efforts on building SEO skills, but you must focus on the variety and the SEO side will become natural and more effective.