One of the most important pieces of copy for SEO is the title tag. Having a strong, relevant, clickable title can have a major impact on rankings, click-through rates and overall traffic numbers.
In my mind, the title tag is so vital to the success of your SEO that I advocate rigorous testing of tags to find which ones work and which don't. Once you've found a winner, you should implement a title tag formula that everyone who touches SEO on your website can follow.
Benefits of an SEO title tag formula: